475345257 has 8 divisors (see below), whose sum is σ = 634011840. Its totient is φ = 316787760.

The previous prime is 475345243. The next prime is 475345319. The reversal of 475345257 is 752543574.

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

It is not a de Polignac number, because 475345257 - 2¹⁴ = 475328873 is a prime.

It is a super-2 number, since 2×475345257² = 451906226704792098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475345207) 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, 16494 + ... + 34967.

It is an arithmetic number, because the mean of its divisors is an integer number (79251480).

Almost surely, 2^475345257 is an apocalyptic number.

It is an amenable number.

475345257 is a deficient number, since it is larger than the sum of its proper divisors (158666583).

475345257 is a wasteful number, since it uses less digits than its factorization.

475345257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54543.

The product of its digits is 588000, while the sum is 42.

The square root of 475345257 is about 21802.4140177183. The cubic root of 475345257 is about 780.4343718001.

The spelling of 475345257 in words is "four hundred seventy-five million, three hundred forty-five thousand, two hundred fifty-seven".