213571264 has 14 divisors (see below), whose sum is σ = 423805604. Its totient is φ = 106785600.

The previous prime is 213571249. The next prime is 213571271. The reversal of 213571264 is 462175312.

213571264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213571264² = 91225369613115392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1668462 + ... + 1668589.

Almost surely, 2^213571264 is an apocalyptic number.

It is an amenable number.

213571264 is a deficient number, since it is larger than the sum of its proper divisors (210234340).

213571264 is an equidigital number, since it uses as much as digits as its factorization.

213571264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337063 (or 3337053 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 213571264 is about 14614.0775966190. The cubic root of 213571264 is about 597.7426885958.

The spelling of 213571264 in words is "two hundred thirteen million, five hundred seventy-one thousand, two hundred sixty-four".