213075979 has 8 divisors (see below), whose sum is σ = 222540192. Its totient is φ = 203628480.

The previous prime is 213075931. The next prime is 213076009. The reversal of 213075979 is 979570312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213075979 - 2¹³ = 213067787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213075179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26877 + ... + 33889.

It is an arithmetic number, because the mean of its divisors is an integer number (27817524).

Almost surely, 2^213075979 is an apocalyptic number.

213075979 is a deficient number, since it is larger than the sum of its proper divisors (9464213).

213075979 is a wasteful number, since it uses less digits than its factorization.

213075979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 213075979 is about 14597.1222848889. The cubic root of 213075979 is about 597.2802634980.

The spelling of 213075979 in words is "two hundred thirteen million, seventy-five thousand, nine hundred seventy-nine".