213132256 has 24 divisors (see below), whose sum is σ = 419930784. Its totient is φ = 106483200.

The previous prime is 213132251. The next prime is 213132259. The reversal of 213132256 is 652231312.

It is a self number, because there is not a number n which added to its sum of digits gives 213132256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73816 + ... + 76648.

It is an arithmetic number, because the mean of its divisors is an integer number (17497116).

Almost surely, 2^213132256 is an apocalyptic number.

It is an amenable number.

213132256 is a deficient number, since it is larger than the sum of its proper divisors (206798528).

213132256 is a wasteful number, since it uses less digits than its factorization.

213132256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194 (or 5186 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 213132256 is about 14599.0498320952. The cubic root of 213132256 is about 597.3328428373.

Adding to 213132256 its reverse (652231312), we get a palindrome (865363568).

The spelling of 213132256 in words is "two hundred thirteen million, one hundred thirty-two thousand, two hundred fifty-six".