479813 has 2 divisors, whose sum is σ = 479814. Its totient is φ = 479812.

The previous prime is 479797. The next prime is 479821. The reversal of 479813 is 318974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 128164 = 593^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 479813 - 2⁴ = 479797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 479813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239906 + 239907.

It is an arithmetic number, because the mean of its divisors is an integer number (239907).

2⁴⁷⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

479813 is a deficient number, since it is larger than the sum of its proper divisors (1).

479813 is an equidigital number, since it uses as much as digits as its factorization.

479813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 479813 is about 692.6853542555. The cubic root of 479813 is about 78.2871837215.

The spelling of 479813 in words is "four hundred seventy-nine thousand, eight hundred thirteen".