25295500 has 24 divisors (see below), whose sum is σ = 55246464. Its totient is φ = 10118000.

The previous prime is 25295497. The next prime is 25295509. The reversal of 25295500 is 559252.

It is not an unprimeable number, because it can be changed into a prime (25295509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24796 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^25295500 is an apocalyptic number.

25295500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25295500 is an abundant number, since it is smaller than the sum of its proper divisors (29950964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25295500 is a wasteful number, since it uses less digits than its factorization.

25295500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610 (or 50598 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 25295500 is about 5029.4631920315. The cubic root of 25295500 is about 293.5493272560.

The spelling of 25295500 in words is "twenty-five million, two hundred ninety-five thousand, five hundred".