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2500252525 = 52891123709
BaseRepresentation
bin1001010100000110…
…1101001101101101
320110020122222200101
42111001231031231
520110031040100
61052033031101
7115646536651
oct22501551555
96406588611
102500252525
111073366801
125993b5491
1330acba384
1419a0b8a61
15e977a86a
hex9506d36d

2500252525 has 12 divisors (see below), whose sum is σ = 3135150900. Its totient is φ = 1977726080.

The previous prime is 2500252519. The next prime is 2500252597. The reversal of 2500252525 is 5252520052.

2500252525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 17522596 + 2482729929 = 4186^2 + 49827^2 .

It is not a de Polignac number, because 2500252525 - 25 = 2500252493 is a prime.

2500252525 is a modest number, since divided by 252525 gives 2500 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2500252493 and 2500252502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559630 + ... + 564079.

It is an arithmetic number, because the mean of its divisors is an integer number (261262575).

Almost surely, 22500252525 is an apocalyptic number.

2500252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2500252525 is a deficient number, since it is larger than the sum of its proper divisors (634898375).

2500252525 is a wasteful number, since it uses less digits than its factorization.

2500252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123808 (or 1123803 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 2500252525 is about 50002.5251862343. The cubic root of 2500252525 is about 1357.2545039795.

Adding to 2500252525 its reverse (5252520052), we get a palindrome (7752772577).

It can be divided in two parts, 2500 and 252525, that added together give a square (255025 = 5052).

The spelling of 2500252525 in words is "two billion, five hundred million, two hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 89 445 2225 1123709 5618545 28092725 100010101 500050505 2500252525