25055025025 has 12 divisors (see below), whose sum is σ = 31070217852. Its totient is φ = 20042738240.

The previous prime is 25055024989. The next prime is 25055025059. The reversal of 25055025025 is 52052055052.

It can be written as a sum of positive squares in 6 ways, for example, as 53406864 + 25001618161 = 7308^2 + 158119^2 .

It is not a de Polignac number, because 25055025025 - 2⁹ = 25055024513 is a prime.

It is a Duffinian 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, 658419 + ... + 695431.

It is an arithmetic number, because the mean of its divisors is an integer number (2589184821).

Almost surely, 2^25055025025 is an apocalyptic number.

25055025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25055025025 is a deficient number, since it is larger than the sum of its proper divisors (6015192827).

25055025025 is a wasteful number, since it uses less digits than its factorization.

25055025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64100 (or 64095 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 25055025025 in words is "twenty-five billion, fifty-five million, twenty-five thousand, twenty-five".