25429317 has 12 divisors (see below), whose sum is σ = 35118720. Its totient is φ = 16366672.

The previous prime is 25429309. The next prime is 25429343. The reversal of 25429317 is 71392452.

It is not a de Polignac number, because 25429317 - 2³ = 25429309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25429357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (2926560).

Almost surely, 2^25429317 is an apocalyptic number.

It is an amenable number.

25429317 is a deficient number, since it is larger than the sum of its proper divisors (9689403).

25429317 is a wasteful number, since it uses less digits than its factorization.

25429317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140 (or 10111 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 25429317 is about 5042.7489527043. The cubic root of 25429317 is about 294.0660571639.

The spelling of 25429317 in words is "twenty-five million, four hundred twenty-nine thousand, three hundred seventeen".