475917313 has 4 divisors (see below), whose sum is σ = 479391300. Its totient is φ = 472443328.

The previous prime is 475917307. The next prime is 475917317. The reversal of 475917313 is 313719574.

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 211789809 + 264127504 = 14553^2 + 16252^2 .

It is a cyclic number.

It is not a de Polignac number, because 475917313 - 2²¹ = 473820161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475917317) 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, 1736788 + ... + 1737061.

It is an arithmetic number, because the mean of its divisors is an integer number (119847825).

Almost surely, 2^475917313 is an apocalyptic number.

It is an amenable number.

475917313 is a deficient number, since it is larger than the sum of its proper divisors (3473987).

475917313 is a wasteful number, since it uses less digits than its factorization.

475917313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473986.

The product of its digits is 79380, while the sum is 40.

The square root of 475917313 is about 21815.5291707536. The cubic root of 475917313 is about 780.7473185009.

The spelling of 475917313 in words is "four hundred seventy-five million, nine hundred seventeen thousand, three hundred thirteen".