25266002525 has 12 divisors (see below), whose sum is σ = 31411656192. Its totient is φ = 20160019440.

The previous prime is 25266002501. The next prime is 25266002539. The reversal of 25266002525 is 52520066252.

It is not a de Polignac number, because 25266002525 - 2³² = 20971035229 is a prime.

It is a Duffinian number.

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, 1309799 + ... + 1328948.

It is an arithmetic number, because the mean of its divisors is an integer number (2617638016).

Almost surely, 2^25266002525 is an apocalyptic number.

25266002525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25266002525 is a deficient number, since it is larger than the sum of its proper divisors (6145653667).

25266002525 is a wasteful number, since it uses less digits than its factorization.

25266002525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639140 (or 2639135 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 25266002525 its reverse (52520066252), we get a palindrome (77786068777).

The spelling of 25266002525 in words is "twenty-five billion, two hundred sixty-six million, two thousand, five hundred twenty-five".