679083553 has 2 divisors, whose sum is σ = 679083554. Its totient is φ = 679083552.

The previous prime is 679083539. The next prime is 679083593. The reversal of 679083553 is 355380976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433597329 + 245486224 = 20823^2 + 15668^2 .

It is a cyclic number.

It is not a de Polignac number, because 679083553 - 2⁵ = 679083521 is a prime.

It is a super-2 number, since 2×679083553² = 922308943910207618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679083593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339541776 + 339541777.

It is an arithmetic number, because the mean of its divisors is an integer number (339541777).

Almost surely, 2^679083553 is an apocalyptic number.

It is an amenable number.

679083553 is a deficient number, since it is larger than the sum of its proper divisors (1).

679083553 is an equidigital number, since it uses as much as digits as its factorization.

679083553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 679083553 is about 26059.2316271988. The cubic root of 679083553 is about 878.9707115974.

The spelling of 679083553 in words is "six hundred seventy-nine million, eighty-three thousand, five hundred fifty-three".