479579161 has 2 divisors, whose sum is σ = 479579162. Its totient is φ = 479579160.

The previous prime is 479579147. The next prime is 479579189. The reversal of 479579161 is 161975974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 128391561 = 18740^2 + 11331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479579161 is a prime.

It is not a weakly prime, because it can be changed into another prime (479579101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239789580 + 239789581.

It is an arithmetic number, because the mean of its divisors is an integer number (239789581).

Almost surely, 2^479579161 is an apocalyptic number.

It is an amenable number.

479579161 is a deficient number, since it is larger than the sum of its proper divisors (1).

479579161 is an equidigital number, since it uses as much as digits as its factorization.

479579161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 49.

The square root of 479579161 is about 21899.2959019234. The cubic root of 479579161 is about 782.7446378578.

The spelling of 479579161 in words is "four hundred seventy-nine million, five hundred seventy-nine thousand, one hundred sixty-one".