25572393 has 24 divisors (see below), whose sum is σ = 46053696. Its totient is φ = 13284000.

The previous prime is 25572377. The next prime is 25572409. The reversal of 25572393 is 39327552.

It is an interprime number because it is at equal distance from previous prime (25572377) and next prime (25572409).

It is not a de Polignac number, because 25572393 - 2⁴ = 25572377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25572353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17758 + ... + 19143.

It is an arithmetic number, because the mean of its divisors is an integer number (1918904).

Almost surely, 2^25572393 is an apocalyptic number.

It is an amenable number.

25572393 is a deficient number, since it is larger than the sum of its proper divisors (20481303).

25572393 is a wasteful number, since it uses less digits than its factorization.

25572393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36925 (or 36922 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 25572393 is about 5056.9153641326. The cubic root of 25572393 is about 294.6165390172.

It can be divided in two parts, 2557 and 2393, that added together give a triangular number (4950 = T₉₉).

The spelling of 25572393 in words is "twenty-five million, five hundred seventy-two thousand, three hundred ninety-three".