679201513 has 2 divisors, whose sum is σ = 679201514. Its totient is φ = 679201512.

The previous prime is 679201487. The next prime is 679201517. The reversal of 679201513 is 315102976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481714704 + 197486809 = 21948^2 + 14053^2 .

It is a cyclic number.

It is not a de Polignac number, because 679201513 - 2²⁵ = 645647081 is a prime.

It is a super-2 number, since 2×679201513² = 922629390522978338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679201517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339600756 + 339600757.

It is an arithmetic number, because the mean of its divisors is an integer number (339600757).

Almost surely, 2^679201513 is an apocalyptic number.

It is an amenable number.

679201513 is a deficient number, since it is larger than the sum of its proper divisors (1).

679201513 is an equidigital number, since it uses as much as digits as its factorization.

679201513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 679201513 is about 26061.4948343337. The cubic root of 679201513 is about 879.0216024300.

The spelling of 679201513 in words is "six hundred seventy-nine million, two hundred one thousand, five hundred thirteen".