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2525163001 = 31216212
BaseRepresentation
bin1001011010000010…
…1110110111111001
320111222112120102121
42112200232313321
520132420204001
61054323001241
7116401350154
oct22640566771
96458476377
102525163001
111086430379
125a5809221
133131cc8ba
1419d520c9b
15eba4b6a1
hex9682edf9

2525163001 has 9 divisors (see below), whose sum is σ = 2610858159. Its totient is φ = 2442198600.

The previous prime is 2525162999. The next prime is 2525163041. The reversal of 2525163001 is 1003615252.

The square root of 2525163001 is 50251.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1940490601 + 584672400 = 44051^2 + 24180^2 .

It is not a de Polignac number, because 2525163001 - 21 = 2525162999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525163041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1556971 + ... + 1558591.

It is an arithmetic number, because the mean of its divisors is an integer number (290095351).

Almost surely, 22525163001 is an apocalyptic number.

2525163001 is the 50251-st square number.

2525163001 is the 25126-th centered octagonal number.

It is an amenable number.

2525163001 is a deficient number, since it is larger than the sum of its proper divisors (85695158).

2525163001 is an frugal number, since it uses more digits than its factorization.

2525163001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The cubic root of 2525163001 is about 1361.7471419849.

Multiplying 2525163001 by its sum of digits (25), we get a square (63129075025 = 2512552).

Adding to 2525163001 its reverse (1003615252), we get a palindrome (3528778253).

The spelling of 2525163001 in words is "two billion, five hundred twenty-five million, one hundred sixty-three thousand, one".

Divisors: 1 31 961 1621 50251 1557781 2627641 81456871 2525163001