25389475 has 12 divisors (see below), whose sum is σ = 31839480. Its totient is φ = 20081600.

The previous prime is 25389461. The next prime is 25389487. The reversal of 25389475 is 57498352.

It is not a de Polignac number, because 25389475 - 2⁵ = 25389443 is a prime.

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, 3481 + ... + 7930.

It is an arithmetic number, because the mean of its divisors is an integer number (2653290).

Almost surely, 2^25389475 is an apocalyptic number.

25389475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25389475 is a deficient number, since it is larger than the sum of its proper divisors (6450005).

25389475 is a wasteful number, since it uses less digits than its factorization.

25389475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11510 (or 11505 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 25389475 is about 5038.7969794386. The cubic root of 25389475 is about 293.9123985075.

The spelling of 25389475 in words is "twenty-five million, three hundred eighty-nine thousand, four hundred seventy-five".