479565973 has 4 divisors (see below), whose sum is σ = 480047980. Its totient is φ = 479083968.

The previous prime is 479565941. The next prime is 479566013. The reversal of 479565973 is 379565974.

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 358609969 + 120956004 = 18937^2 + 10998^2 .

It is a cyclic number.

It is not a de Polignac number, because 479565973 - 2⁵ = 479565941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479565173) 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, 239508 + ... + 241501.

It is an arithmetic number, because the mean of its divisors is an integer number (120011995).

Almost surely, 2^479565973 is an apocalyptic number.

It is an amenable number.

479565973 is a deficient number, since it is larger than the sum of its proper divisors (482007).

479565973 is an equidigital number, since it uses as much as digits as its factorization.

479565973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482006.

The product of its digits is 7144200, while the sum is 55.

The square root of 479565973 is about 21898.9947942822. The cubic root of 479565973 is about 782.7374628651.

Subtracting from 479565973 its reverse (379565974), we obtain a palindrome (99999999).

The spelling of 479565973 in words is "four hundred seventy-nine million, five hundred sixty-five thousand, nine hundred seventy-three".