25339473 has 20 divisors (see below), whose sum is σ = 38013360. Its totient is φ = 16821432.

The previous prime is 25339471. The next prime is 25339499. The reversal of 25339473 is 37493352.

It is not a de Polignac number, because 25339473 - 2¹ = 25339471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25339471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24358 + ... + 25376.

It is an arithmetic number, because the mean of its divisors is an integer number (1900668).

Almost surely, 2^25339473 is an apocalyptic number.

It is an amenable number.

25339473 is a deficient number, since it is larger than the sum of its proper divisors (12673887).

25339473 is a wasteful number, since it uses less digits than its factorization.

25339473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1329 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 25339473 is about 5033.8328339348. The cubic root of 25339473 is about 293.7193281390.

The spelling of 25339473 in words is "twenty-five million, three hundred thirty-nine thousand, four hundred seventy-three".