479520901 has 4 divisors (see below), whose sum is σ = 479604204. Its totient is φ = 479437600.

The previous prime is 479520869. The next prime is 479520913. The reversal of 479520901 is 109025974.

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 116618401 + 362902500 = 10799^2 + 19050^2 .

It is a cyclic number.

It is not a de Polignac number, because 479520901 - 2⁵ = 479520869 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 (479520991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32320 + ... + 44761.

It is an arithmetic number, because the mean of its divisors is an integer number (119901051).

Almost surely, 2^479520901 is an apocalyptic number.

It is an amenable number.

479520901 is a deficient number, since it is larger than the sum of its proper divisors (83303).

479520901 is an equidigital number, since it uses as much as digits as its factorization.

479520901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83302.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 479520901 is about 21897.9656817705. The cubic root of 479520901 is about 782.7129402410.

The spelling of 479520901 in words is "four hundred seventy-nine million, five hundred twenty thousand, nine hundred one".