25042236725 has 12 divisors (see below), whose sum is σ = 33875316960. Its totient is φ = 18212535600.

The previous prime is 25042236707. The next prime is 25042236743. The reversal of 25042236725 is 52763224052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25042236707) and next prime (25042236743).

It is not a de Polignac number, because 25042236725 - 2⁸ = 25042236469 is a prime.

It is a super-2 number, since 2×25042236725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45531065 + ... + 45531614.

It is an arithmetic number, because the mean of its divisors is an integer number (2822943080).

Almost surely, 2^25042236725 is an apocalyptic number.

25042236725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25042236725 is a deficient number, since it is larger than the sum of its proper divisors (8833080235).

25042236725 is a wasteful number, since it uses less digits than its factorization.

25042236725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91062700 (or 91062695 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 25042236725 in words is "twenty-five billion, forty-two million, two hundred thirty-six thousand, seven hundred twenty-five".