475131717 has 8 divisors (see below), whose sum is σ = 703898880. Its totient is φ = 316754460.

The previous prime is 475131707. The next prime is 475131721. The reversal of 475131717 is 717131574.

475131717 is a `hidden beast` number, since 475 + 13 + 171 + 7 = 666.

It is not a de Polignac number, because 475131717 - 2¹⁶ = 475066181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475131707) 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, 8798709 + ... + 8798762.

It is an arithmetic number, because the mean of its divisors is an integer number (87987360).

Almost surely, 2^475131717 is an apocalyptic number.

It is an amenable number.

475131717 is a deficient number, since it is larger than the sum of its proper divisors (228767163).

475131717 is a wasteful number, since it uses less digits than its factorization.

475131717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17597480 (or 17597474 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 475131717 is about 21797.5163034691. The cubic root of 475131717 is about 780.3174890958.

The spelling of 475131717 in words is "four hundred seventy-five million, one hundred thirty-one thousand, seven hundred seventeen".