679528933 has 2 divisors, whose sum is σ = 679528934. Its totient is φ = 679528932.

The previous prime is 679528931. The next prime is 679528979. The reversal of 679528933 is 339825976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666001249 + 13527684 = 25807^2 + 3678^2 .

It is a cyclic number.

It is not a de Polignac number, because 679528933 - 2¹ = 679528931 is a prime.

Together with 679528931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679528931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339764466 + 339764467.

It is an arithmetic number, because the mean of its divisors is an integer number (339764467).

Almost surely, 2^679528933 is an apocalyptic number.

It is an amenable number.

679528933 is a deficient number, since it is larger than the sum of its proper divisors (1).

679528933 is an equidigital number, since it uses as much as digits as its factorization.

679528933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 679528933 is about 26067.7757585875. The cubic root of 679528933 is about 879.1628285670.

The spelling of 679528933 in words is "six hundred seventy-nine million, five hundred twenty-eight thousand, nine hundred thirty-three".