213753256 has 8 divisors (see below), whose sum is σ = 400787370. Its totient is φ = 106876624.

The previous prime is 213753233. The next prime is 213753289. The reversal of 213753256 is 652357312.

213753256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131560900 + 82192356 = 11470^2 + 9066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13359571 + ... + 13359586.

Almost surely, 2^213753256 is an apocalyptic number.

It is an amenable number.

213753256 is a deficient number, since it is larger than the sum of its proper divisors (187034114).

213753256 is a wasteful number, since it uses less digits than its factorization.

213753256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26719163 (or 26719159 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 213753256 is about 14620.3028696399. The cubic root of 213753256 is about 597.9124266342.

The spelling of 213753256 in words is "two hundred thirteen million, seven hundred fifty-three thousand, two hundred fifty-six".