25572400 has 60 divisors (see below), whose sum is σ = 70222192. Its totient is φ = 8766720.

The previous prime is 25572377. The next prime is 25572409. The reversal of 25572400 is 427552.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (25572409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 7366.

Almost surely, 2^25572400 is an apocalyptic number.

25572400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25572400 is an abundant number, since it is smaller than the sum of its proper divisors (44649792).

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

25572400 is a wasteful number, since it uses less digits than its factorization.

25572400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 25572400 is about 5056.9160562540. The cubic root of 25572400 is about 294.6165658993.

Adding to 25572400 its reverse (427552), we get a palindrome (25999952).

The spelling of 25572400 in words is "twenty-five million, five hundred seventy-two thousand, four hundred".