479648231 has 2 divisors, whose sum is σ = 479648232. Its totient is φ = 479648230.

The previous prime is 479648227. The next prime is 479648303. The reversal of 479648231 is 132846974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479648231 - 2² = 479648227 is a prime.

It is a super-2 number, since 2×479648231² = 460124851002858722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479678231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239824115 + 239824116.

It is an arithmetic number, because the mean of its divisors is an integer number (239824116).

Almost surely, 2^479648231 is an apocalyptic number.

479648231 is a deficient number, since it is larger than the sum of its proper divisors (1).

479648231 is an equidigital number, since it uses as much as digits as its factorization.

479648231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 479648231 is about 21900.8728364876. The cubic root of 479648231 is about 782.7822135639.

The spelling of 479648231 in words is "four hundred seventy-nine million, six hundred forty-eight thousand, two hundred thirty-one".