25494375 has 20 divisors (see below), whose sum is σ = 42480152. Its totient is φ = 13596000.

The previous prime is 25494367. The next prime is 25494379. The reversal of 25494375 is 57349452.

It is not a de Polignac number, because 25494375 - 2³ = 25494367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25494379) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 4924 + ... + 8673.

Almost surely, 2^25494375 is an apocalyptic number.

25494375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25494375 is a deficient number, since it is larger than the sum of its proper divisors (16985777).

25494375 is an equidigital number, since it uses as much as digits as its factorization.

25494375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 13605 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 25494375 is about 5049.1954804701. The cubic root of 25494375 is about 294.3166217331.

The spelling of 25494375 in words is "twenty-five million, four hundred ninety-four thousand, three hundred seventy-five".