479891597 has 2 divisors, whose sum is σ = 479891598. Its totient is φ = 479891596.

The previous prime is 479891579. The next prime is 479891639. The reversal of 479891597 is 795198974.

Together with previous prime (479891579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461863081 + 18028516 = 21491^2 + 4246^2 .

It is a cyclic number.

It is not a de Polignac number, because 479891597 - 2¹² = 479887501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479891557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239945798 + 239945799.

It is an arithmetic number, because the mean of its divisors is an integer number (239945799).

Almost surely, 2^479891597 is an apocalyptic number.

It is an amenable number.

479891597 is a deficient number, since it is larger than the sum of its proper divisors (1).

479891597 is an equidigital number, since it uses as much as digits as its factorization.

479891597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 59.

The square root of 479891597 is about 21906.4282118286. The cubic root of 479891597 is about 782.9145816576.

The spelling of 479891597 in words is "four hundred seventy-nine million, eight hundred ninety-one thousand, five hundred ninety-seven".