25329213 has 64 divisors (see below), whose sum is σ = 47219200. Its totient is φ = 13141440.

The previous prime is 25329211. The next prime is 25329229. The reversal of 25329213 is 31292352.

It is not a de Polignac number, because 25329213 - 2¹ = 25329211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25329211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 415203 + ... + 415263.

It is an arithmetic number, because the mean of its divisors is an integer number (737800).

Almost surely, 2^25329213 is an apocalyptic number.

It is an amenable number.

25329213 is a deficient number, since it is larger than the sum of its proper divisors (21889987).

25329213 is an equidigital number, since it uses as much as digits as its factorization.

25329213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 84 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 25329213 is about 5032.8136265910. The cubic root of 25329213 is about 293.6796802856.

The spelling of 25329213 in words is "twenty-five million, three hundred twenty-nine thousand, two hundred thirteen".