679157 has 2 divisors, whose sum is σ = 679158. Its totient is φ = 679156.

The previous prime is 679153. The next prime is 679169. The reversal of 679157 is 751976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358801 + 320356 = 599^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 679157 - 2² = 679153 is a prime.

It is a super-2 number, since 2×679157² = 922508461298, which contains 22 as substring.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339578 + 339579.

It is an arithmetic number, because the mean of its divisors is an integer number (339579).

2⁶⁷⁹¹⁵⁷ is an apocalyptic number.

It is an amenable number.

679157 is a deficient number, since it is larger than the sum of its proper divisors (1).

679157 is an equidigital number, since it uses as much as digits as its factorization.

679157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 35.

The square root of 679157 is about 824.1098227785. The cubic root of 679157 is about 87.9002399124.

The spelling of 679157 in words is "six hundred seventy-nine thousand, one hundred fifty-seven".