25580830525 has 24 divisors (see below), whose sum is σ = 31928992128. Its totient is φ = 20330400000.

The previous prime is 25580830493. The next prime is 25580830549. The reversal of 25580830525 is 52503808552.

It is not a de Polignac number, because 25580830525 - 2⁵ = 25580830493 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 2591850 + ... + 2601700.

It is an arithmetic number, because the mean of its divisors is an integer number (1330374672).

Almost surely, 2^25580830525 is an apocalyptic number.

25580830525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25580830525 is a deficient number, since it is larger than the sum of its proper divisors (6348161603).

25580830525 is a wasteful number, since it uses less digits than its factorization.

25580830525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533 (or 10528 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 25580830525 in words is "twenty-five billion, five hundred eighty million, eight hundred thirty thousand, five hundred twenty-five".