213025239 has 24 divisors (see below), whose sum is σ = 352090752. Its totient is φ = 121579920.

The previous prime is 213025229. The next prime is 213025247. The reversal of 213025239 is 932520312.

213025239 is a `hidden beast` number, since 2 + 130 + 2 + 523 + 9 = 666.

213025239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213025239 - 2²⁴ = 196248023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213025229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69244 + ... + 72254.

It is an arithmetic number, because the mean of its divisors is an integer number (14670448).

Almost surely, 2^213025239 is an apocalyptic number.

213025239 is a deficient number, since it is larger than the sum of its proper divisors (139065513).

213025239 is a wasteful number, since it uses less digits than its factorization.

213025239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4144 counting only the distinct ones).

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

The square root of 213025239 is about 14595.3841676059. The cubic root of 213025239 is about 597.2328494150.

The spelling of 213025239 in words is "two hundred thirteen million, twenty-five thousand, two hundred thirty-nine".