579440497 has 4 divisors (see below), whose sum is σ = 579516660. Its totient is φ = 579364336.

The previous prime is 579440479. The next prime is 579440509. The reversal of 579440497 is 794044975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 248346081 + 331094416 = 15759^2 + 18196^2 .

It is a cyclic number.

It is not a de Polignac number, because 579440497 - 2⁷ = 579440369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 579440497.

It is not an unprimeable number, because it can be changed into a prime (579440447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25222 + ... + 42367.

It is an arithmetic number, because the mean of its divisors is an integer number (144879165).

It is a 7608-hyperperfect number.

Almost surely, 2^579440497 is an apocalyptic number.

It is an amenable number.

579440497 is a deficient number, since it is larger than the sum of its proper divisors (76163).

579440497 is an equidigital number, since it uses as much as digits as its factorization.

579440497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76162.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 579440497 is about 24071.5703060685. The cubic root of 579440497 is about 833.6868441305.

The spelling of 579440497 in words is "five hundred seventy-nine million, four hundred forty thousand, four hundred ninety-seven".