475317242 has 4 divisors (see below), whose sum is σ = 712975866. Its totient is φ = 237658620.

The previous prime is 475317233. The next prime is 475317247. The reversal of 475317242 is 242713574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242713574 = 2 ⋅121356787.

It can be written as a sum of positive squares in only one way, i.e., 426050881 + 49266361 = 20641^2 + 7019^2 .

It is not an unprimeable number, because it can be changed into a prime (475317247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118829309 + ... + 118829312.

Almost surely, 2^475317242 is an apocalyptic number.

475317242 is a deficient number, since it is larger than the sum of its proper divisors (237658624).

475317242 is a wasteful number, since it uses less digits than its factorization.

475317242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237658623.

The product of its digits is 47040, while the sum is 35.

The square root of 475317242 is about 21801.7715335245. The cubic root of 475317242 is about 780.4190395771.

The spelling of 475317242 in words is "four hundred seventy-five million, three hundred seventeen thousand, two hundred forty-two".