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2505300025 = 521572512543
BaseRepresentation
bin1001010101010011…
…1101100000111001
320110121011102112211
42111110331200321
520112324100100
61052333135121
7116040461464
oct22524754071
96417142484
102505300025
1110761a3a98
1259b02a4a1
1330c066967
1419aa302db
15e9e261ba
hex9553d839

2505300025 has 24 divisors (see below), whose sum is σ = 3140049024. Its totient is φ = 1982760000.

The previous prime is 2505299977. The next prime is 2505300029. The reversal of 2505300025 is 5200035052.

2505300025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2505300025 - 215 = 2505267257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505299969 and 2505300005.

It is not an unprimeable number, because it can be changed into a prime (2505300029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983904 + ... + 986446.

It is an arithmetic number, because the mean of its divisors is an integer number (130835376).

Almost surely, 22505300025 is an apocalyptic number.

2505300025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505300025 is a deficient number, since it is larger than the sum of its proper divisors (634748999).

2505300025 is a wasteful number, since it uses less digits than its factorization.

2505300025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961 (or 2956 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2505300025 is about 50052.9721894714. The cubic root of 2505300025 is about 1358.1672300768.

Adding to 2505300025 its reverse (5200035052), we get a palindrome (7705335077).

The spelling of 2505300025 in words is "two billion, five hundred five million, three hundred thousand, twenty-five".

Divisors: 1 5 25 157 251 785 1255 2543 3925 6275 12715 39407 63575 197035 399251 638293 985175 1996255 3191465 9981275 15957325 100212001 501060005 2505300025