213079001 has 2 divisors, whose sum is σ = 213079002. Its totient is φ = 213079000.

The previous prime is 213078997. The next prime is 213079007. The reversal of 213079001 is 100970312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 99102025 = 10676^2 + 9955^2 .

It is a cyclic number.

It is not a de Polignac number, because 213079001 - 2² = 213078997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213079007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106539500 + 106539501.

It is an arithmetic number, because the mean of its divisors is an integer number (106539501).

Almost surely, 2^213079001 is an apocalyptic number.

It is an amenable number.

213079001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213079001 is an equidigital number, since it uses as much as digits as its factorization.

213079001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 213079001 is about 14597.2257980755. The cubic root of 213079001 is about 597.2830871738.

The spelling of 213079001 in words is "two hundred thirteen million, seventy-nine thousand, one".