679201213 has 2 divisors, whose sum is σ = 679201214. Its totient is φ = 679201212.

The previous prime is 679201147. The next prime is 679201253. The reversal of 679201213 is 312102976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612909049 + 66292164 = 24757^2 + 8142^2 .

It is a cyclic number.

It is not a de Polignac number, because 679201213 - 2¹⁷ = 679070141 is a prime.

It is a super-2 number, since 2×679201213² = 922628575481342738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679201253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339600606 + 339600607.

It is an arithmetic number, because the mean of its divisors is an integer number (339600607).

Almost surely, 2^679201213 is an apocalyptic number.

It is an amenable number.

679201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

679201213 is an equidigital number, since it uses as much as digits as its factorization.

679201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 679201213 is about 26061.4890787154. The cubic root of 679201213 is about 879.0214730101.

The spelling of 679201213 in words is "six hundred seventy-nine million, two hundred one thousand, two hundred thirteen".