679972251 has 32 divisors (see below), whose sum is σ = 1075253760. Its totient is φ = 373976064.

The previous prime is 679972229. The next prime is 679972301. The reversal of 679972251 is 152279976.

679972251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 679972251 - 2⁷ = 679972123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679972251.

It is not an unprimeable number, because it can be changed into a prime (679970251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213396 + ... + 216558.

It is an arithmetic number, because the mean of its divisors is an integer number (33601680).

Almost surely, 2^679972251 is an apocalyptic number.

679972251 is a deficient number, since it is larger than the sum of its proper divisors (395281509).

679972251 is a wasteful number, since it uses less digits than its factorization.

679972251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555.

The product of its digits is 476280, while the sum is 48.

The square root of 679972251 is about 26076.2775525956. The cubic root of 679972251 is about 879.3539727369.

The spelling of 679972251 in words is "six hundred seventy-nine million, nine hundred seventy-two thousand, two hundred fifty-one".