479259247 has 4 divisors (see below), whose sum is σ = 480431440. Its totient is φ = 478087056.

The previous prime is 479259239. The next prime is 479259251. The reversal of 479259247 is 742952974.

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

It is a cyclic number.

It is not a de Polignac number, because 479259247 - 2³ = 479259239 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 479259247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479251247) 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, 585483 + ... + 586300.

It is an arithmetic number, because the mean of its divisors is an integer number (120107860).

Almost surely, 2^479259247 is an apocalyptic number.

479259247 is a deficient number, since it is larger than the sum of its proper divisors (1172193).

479259247 is a wasteful number, since it uses less digits than its factorization.

479259247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172192.

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

The square root of 479259247 is about 21891.9904759709. The cubic root of 479259247 is about 782.5705500395.

The spelling of 479259247 in words is "four hundred seventy-nine million, two hundred fifty-nine thousand, two hundred forty-seven".