25238213 has 32 divisors (see below), whose sum is σ = 35696640. Its totient is φ = 17184960.

The previous prime is 25238189. The next prime is 25238219. The reversal of 25238213 is 31283252.

It is not a de Polignac number, because 25238213 - 2¹⁰ = 25237189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238219) 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, 18356 + ... + 19682.

It is an arithmetic number, because the mean of its divisors is an integer number (1115520).

Almost surely, 2^25238213 is an apocalyptic number.

It is an amenable number.

25238213 is a deficient number, since it is larger than the sum of its proper divisors (10458427).

25238213 is a wasteful number, since it uses less digits than its factorization.

25238213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 2880, while the sum is 26.

The square root of 25238213 is about 5023.7648233173. The cubic root of 25238213 is about 293.3275582828.

The spelling of 25238213 in words is "twenty-five million, two hundred thirty-eight thousand, two hundred thirteen".