25930400 has 36 divisors (see below), whose sum is σ = 63304542. Its totient is φ = 10371840.

The previous prime is 25930397. The next prime is 25930439. The reversal of 25930400 is 403952.

25930400 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 3 ways, for example, as 23775376 + 2155024 = 4876^2 + 1468^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15407 + ... + 17006.

Almost surely, 2^25930400 is an apocalyptic number.

25930400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25930400 is an abundant number, since it is smaller than the sum of its proper divisors (37374142).

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

25930400 is a wasteful number, since it uses less digits than its factorization.

25930400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32433 (or 32420 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 25930400 is about 5092.1900985725. The cubic root of 25930400 is about 295.9850248085.

The spelling of 25930400 in words is "twenty-five million, nine hundred thirty thousand, four hundred".