679251271 has 2 divisors, whose sum is σ = 679251272. Its totient is φ = 679251270.

The previous prime is 679251239. The next prime is 679251281. The reversal of 679251271 is 172152976.

679251271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679251271 - 2⁵ = 679251239 is a prime.

It is a super-2 number, since 2×679251271² = 922764578310230882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679251281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339625635 + 339625636.

It is an arithmetic number, because the mean of its divisors is an integer number (339625636).

Almost surely, 2^679251271 is an apocalyptic number.

679251271 is a deficient number, since it is larger than the sum of its proper divisors (1).

679251271 is an equidigital number, since it uses as much as digits as its factorization.

679251271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 679251271 is about 26062.4494435960. The cubic root of 679251271 is about 879.0430674827.

It can be divided in two parts, 67925 and 1271, that added together give a palindrome (69196).

The spelling of 679251271 in words is "six hundred seventy-nine million, two hundred fifty-one thousand, two hundred seventy-one".