25213329 has 32 divisors (see below), whose sum is σ = 39911040. Its totient is φ = 15676416.

The previous prime is 25213301. The next prime is 25213369. The reversal of 25213329 is 92331252.

It is not a de Polignac number, because 25213329 - 2¹¹ = 25211281 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (25213369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74649 + ... + 74985.

It is an arithmetic number, because the mean of its divisors is an integer number (1247220).

Almost surely, 2^25213329 is an apocalyptic number.

It is an amenable number.

25213329 is a deficient number, since it is larger than the sum of its proper divisors (14697711).

25213329 is a wasteful number, since it uses less digits than its factorization.

25213329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

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

The square root of 25213329 is about 5021.2875838773. The cubic root of 25213329 is about 293.2311229926.

The spelling of 25213329 in words is "twenty-five million, two hundred thirteen thousand, three hundred twenty-nine".