25472400 has 60 divisors (see below), whose sum is σ = 81600432. Its totient is φ = 6792320.

The previous prime is 25472399. The next prime is 25472413. The reversal of 25472400 is 427452.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9414 + ... + 11813.

Almost surely, 2^25472400 is an apocalyptic number.

25472400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25472400 is an abundant number, since it is smaller than the sum of its proper divisors (56128032).

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

25472400 is a wasteful number, since it uses less digits than its factorization.

25472400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21248 (or 21237 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 25472400 is about 5047.0189220965. The cubic root of 25472400 is about 294.2320348792.

Adding to 25472400 its reverse (427452), we get a palindrome (25899852).

The spelling of 25472400 in words is "twenty-five million, four hundred seventy-two thousand, four hundred".