475745231 has 8 divisors (see below), whose sum is σ = 513503760. Its totient is φ = 438152832.

The previous prime is 475745213. The next prime is 475745239. The reversal of 475745231 is 132547574.

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

It is not a de Polignac number, because 475745231 - 2¹⁰ = 475744207 is a prime.

It is a super-2 number, since 2×475745231² = 452667049638486722, 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 (475745239) 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, 35546 + ... + 47063.

It is an arithmetic number, because the mean of its divisors is an integer number (64187970).

Almost surely, 2^475745231 is an apocalyptic number.

475745231 is a deficient number, since it is larger than the sum of its proper divisors (37758529).

475745231 is a wasteful number, since it uses less digits than its factorization.

475745231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83065.

The product of its digits is 117600, while the sum is 38.

The square root of 475745231 is about 21811.5847888227. The cubic root of 475745231 is about 780.6532063847.

The spelling of 475745231 in words is "four hundred seventy-five million, seven hundred forty-five thousand, two hundred thirty-one".