213054051 has 16 divisors (see below), whose sum is σ = 326342144. Its totient is φ = 121112064.

The previous prime is 213054019. The next prime is 213054053. The reversal of 213054051 is 150450312.

It is not a de Polignac number, because 213054051 - 2⁵ = 213054019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213054053) 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, 22231 + ... + 30336.

It is an arithmetic number, because the mean of its divisors is an integer number (20396384).

Almost surely, 2^213054051 is an apocalyptic number.

213054051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213054051 is a deficient number, since it is larger than the sum of its proper divisors (113288093).

213054051 is a wasteful number, since it uses less digits than its factorization.

213054051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52770.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 213054051 is about 14596.3711586134. The cubic root of 213054051 is about 597.2597737632.

The spelling of 213054051 in words is "two hundred thirteen million, fifty-four thousand, fifty-one".