213152555 has 16 divisors (see below), whose sum is σ = 318898944. Its totient is φ = 132874080.

The previous prime is 213152531. The next prime is 213152557. The reversal of 213152555 is 555251312.

It is not a de Polignac number, because 213152555 - 2²² = 208958251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213152557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276437 + ... + 277206.

It is an arithmetic number, because the mean of its divisors is an integer number (19931184).

Almost surely, 2^213152555 is an apocalyptic number.

213152555 is a deficient number, since it is larger than the sum of its proper divisors (105746389).

213152555 is a wasteful number, since it uses less digits than its factorization.

213152555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553666.

The product of its digits is 7500, while the sum is 29.

The square root of 213152555 is about 14599.7450320203. The cubic root of 213152555 is about 597.3518058272.

The spelling of 213152555 in words is "two hundred thirteen million, one hundred fifty-two thousand, five hundred fifty-five".