213879051 has 24 divisors (see below), whose sum is σ = 314417376. Its totient is φ = 140071680.

The previous prime is 213879041. The next prime is 213879053. The reversal of 213879051 is 150978312.

It is not a de Polignac number, because 213879051 - 2¹⁴ = 213862667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213878997 and 213879015.

It is not an unprimeable number, because it can be changed into a prime (213879053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276301 + ... + 277073.

It is an arithmetic number, because the mean of its divisors is an integer number (13100724).

Almost surely, 2^213879051 is an apocalyptic number.

213879051 is a deficient number, since it is larger than the sum of its proper divisors (100538325).

213879051 is a wasteful number, since it uses less digits than its factorization.

213879051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 213879051 is about 14624.6043023393. The cubic root of 213879051 is about 598.0296952476.

The spelling of 213879051 in words is "two hundred thirteen million, eight hundred seventy-nine thousand, fifty-one".