479132657 has 4 divisors (see below), whose sum is σ = 484516260. Its totient is φ = 473749056.

The previous prime is 479132651. The next prime is 479132707. The reversal of 479132657 is 756231974.

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 60357361 + 418775296 = 7769^2 + 20464^2 .

It is a cyclic number.

It is not a de Polignac number, because 479132657 - 2⁶ = 479132593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479132651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2691668 + ... + 2691845.

It is an arithmetic number, because the mean of its divisors is an integer number (121129065).

Almost surely, 2^479132657 is an apocalyptic number.

It is an amenable number.

479132657 is a deficient number, since it is larger than the sum of its proper divisors (5383603).

479132657 is an equidigital number, since it uses as much as digits as its factorization.

479132657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383602.

The product of its digits is 317520, while the sum is 44.

The square root of 479132657 is about 21889.0990449584. The cubic root of 479132657 is about 782.5016420806.

The spelling of 479132657 in words is "four hundred seventy-nine million, one hundred thirty-two thousand, six hundred fifty-seven".