25005275525 has 24 divisors (see below), whose sum is σ = 31416977280. Its totient is φ = 19739715840.

The previous prime is 25005275513. The next prime is 25005275587. The reversal of 25005275525 is 52557250052.

It is not a de Polignac number, because 25005275525 - 2¹⁸ = 25005013381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5849789 + ... + 5854061.

It is an arithmetic number, because the mean of its divisors is an integer number (1309040720).

Almost surely, 2^25005275525 is an apocalyptic number.

25005275525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25005275525 is a deficient number, since it is larger than the sum of its proper divisors (6411701755).

25005275525 is a wasteful number, since it uses less digits than its factorization.

25005275525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325 (or 7320 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 38.

It can be divided in two parts, 2500527 and 5525, that added together give a palindrome (2506052).

The spelling of 25005275525 in words is "twenty-five billion, five million, two hundred seventy-five thousand, five hundred twenty-five".