213907325 has 12 divisors (see below), whose sum is σ = 265438740. Its totient is φ = 171000960.

The previous prime is 213907313. The next prime is 213907357. The reversal of 213907325 is 523709312.

It can be written as a sum of positive squares in 6 ways, for example, as 36990724 + 176916601 = 6082^2 + 13301^2 .

It is not a de Polignac number, because 213907325 - 2²⁶ = 146798461 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 213907291 and 213907300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48617 + ... + 52833.

It is an arithmetic number, because the mean of its divisors is an integer number (22119895).

Almost surely, 2^213907325 is an apocalyptic number.

213907325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213907325 is a deficient number, since it is larger than the sum of its proper divisors (51531415).

213907325 is a wasteful number, since it uses less digits than its factorization.

213907325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6251 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 213907325 is about 14625.5709290270. The cubic root of 213907325 is about 598.0560465063.

The spelling of 213907325 in words is "two hundred thirteen million, nine hundred seven thousand, three hundred twenty-five".