25953500 has 24 divisors (see below), whose sum is σ = 56683536. Its totient is φ = 10381200.

The previous prime is 25953493. The next prime is 25953511. The reversal of 25953500 is 535952.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25454 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (2361814).

Almost surely, 2^25953500 is an apocalyptic number.

25953500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25953500 is an abundant number, since it is smaller than the sum of its proper divisors (30730036).

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

25953500 is a wasteful number, since it uses less digits than its factorization.

25953500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51926 (or 51914 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 25953500 is about 5094.4577729136. The cubic root of 25953500 is about 296.0728911065.

The spelling of 25953500 in words is "twenty-five million, nine hundred fifty-three thousand, five hundred".