476805213 has 6 divisors (see below), whose sum is σ = 688718654. Its totient is φ = 317870136.

The previous prime is 476805187. The next prime is 476805227. The reversal of 476805213 is 312508674.

It can be written as a sum of positive squares in only one way, i.e., 465394329 + 11410884 = 21573^2 + 3378^2 .

It is not a de Polignac number, because 476805213 - 2⁵ = 476805181 is a prime.

It is a super-2 number, since 2×476805213² = 454686422287950738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476805233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26489170 + ... + 26489187.

Almost surely, 2^476805213 is an apocalyptic number.

It is an amenable number.

476805213 is a deficient number, since it is larger than the sum of its proper divisors (211913441).

476805213 is a wasteful number, since it uses less digits than its factorization.

476805213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52978363 (or 52978360 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 476805213 is about 21835.8698704677. The cubic root of 476805213 is about 781.2325532701.

The spelling of 476805213 in words is "four hundred seventy-six million, eight hundred five thousand, two hundred thirteen".