25825393 has 8 divisors (see below), whose sum is σ = 28407456. Its totient is φ = 23476420.

The previous prime is 25825391. The next prime is 25825409. The reversal of 25825393 is 39352852.

It is not a de Polignac number, because 25825393 - 2¹ = 25825391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25825391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8371 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (3550932).

Almost surely, 2^25825393 is an apocalyptic number.

It is an amenable number.

25825393 is a deficient number, since it is larger than the sum of its proper divisors (2582063).

25825393 is an equidigital number, since it uses as much as digits as its factorization.

25825393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436 (or 19414 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 25825393 is about 5081.8690459318. The cubic root of 25825393 is about 295.5849468000.

It can be divided in two parts, 258 and 25393, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 25825393 in words is "twenty-five million, eight hundred twenty-five thousand, three hundred ninety-three".