25237288725 has 24 divisors (see below), whose sum is σ = 45518893152. Its totient is φ = 12236260800.

The previous prime is 25237288711. The next prime is 25237288787. The reversal of 25237288725 is 52788273252.

It is a happy number.

It is not a de Polignac number, because 25237288725 - 2⁵ = 25237288693 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, 15294502 + ... + 15296151.

It is an arithmetic number, because the mean of its divisors is an integer number (1896620548).

Almost surely, 2^25237288725 is an apocalyptic number.

25237288725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25237288725 is a deficient number, since it is larger than the sum of its proper divisors (20281604427).

25237288725 is a wasteful number, since it uses less digits than its factorization.

25237288725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590677 (or 30590672 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 51.

The spelling of 25237288725 in words is "twenty-five billion, two hundred thirty-seven million, two hundred eighty-eight thousand, seven hundred twenty-five".