25233136925 has 12 divisors (see below), whose sum is σ = 31423384980. Its totient is φ = 20099867520.

The previous prime is 25233136913. The next prime is 25233136931. The reversal of 25233136925 is 52963133252.

It can be written as a sum of positive squares in 6 ways, for example, as 4897369 + 25228239556 = 2213^2 + 158834^2 .

It is not a de Polignac number, because 25233136925 - 2⁴ = 25233136909 is a prime.

It is a super-2 number, since 2×25233136925² (a number of 22 digits) contains 22 as substring.

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, 2160110 + ... + 2171759.

It is an arithmetic number, because the mean of its divisors is an integer number (2618615415).

Almost surely, 2^25233136925 is an apocalyptic number.

25233136925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25233136925 is a deficient number, since it is larger than the sum of its proper divisors (6190248055).

25233136925 is a wasteful number, since it uses less digits than its factorization.

25233136925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332112 (or 4332107 counting only the distinct ones).

The product of its digits is 291600, while the sum is 41.

The spelling of 25233136925 in words is "twenty-five billion, two hundred thirty-three million, one hundred thirty-six thousand, nine hundred twenty-five".