475897317 has 8 divisors (see below), whose sum is σ = 725176896. Its totient is φ = 271941312.

The previous prime is 475897307. The next prime is 475897333. The reversal of 475897317 is 713798574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475897317 - 2¹¹ = 475895269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475897317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475897307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11330868 + ... + 11330909.

It is an arithmetic number, because the mean of its divisors is an integer number (90647112).

Almost surely, 2^475897317 is an apocalyptic number.

It is an amenable number.

475897317 is a deficient number, since it is larger than the sum of its proper divisors (249279579).

475897317 is a wasteful number, since it uses less digits than its factorization.

475897317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22661787.

The product of its digits is 1481760, while the sum is 51.

The square root of 475897317 is about 21815.0708685532. The cubic root of 475897317 is about 780.7363837989.

The spelling of 475897317 in words is "four hundred seventy-five million, eight hundred ninety-seven thousand, three hundred seventeen".