213150555 has 32 divisors (see below), whose sum is σ = 379537920. Its totient is φ = 113499360.

The previous prime is 213150473. The next prime is 213150563. The reversal of 213150555 is 555051312.

It is not a de Polignac number, because 213150555 - 2²⁴ = 196373339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164460 + ... + 165750.

It is an arithmetic number, because the mean of its divisors is an integer number (11860560).

Almost surely, 2^213150555 is an apocalyptic number.

213150555 is a deficient number, since it is larger than the sum of its proper divisors (166387365).

213150555 is a wasteful number, since it uses less digits than its factorization.

213150555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 213150555 is about 14599.6765375127. The cubic root of 213150555 is about 597.3499375137.

The spelling of 213150555 in words is "two hundred thirteen million, one hundred fifty thousand, five hundred fifty-five".