475266561 has 16 divisors (see below), whose sum is σ = 790053888. Its totient is φ = 246891600.

The previous prime is 475266527. The next prime is 475266581. The reversal of 475266561 is 165662574.

It is not a de Polignac number, because 475266561 - 2²² = 471072257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (475266581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028485 + ... + 1028946.

It is an arithmetic number, because the mean of its divisors is an integer number (49378368).

Almost surely, 2^475266561 is an apocalyptic number.

It is an amenable number.

475266561 is a deficient number, since it is larger than the sum of its proper divisors (314787327).

475266561 is a wasteful number, since it uses less digits than its factorization.

475266561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057452.

The product of its digits is 302400, while the sum is 42.

The square root of 475266561 is about 21800.6091887360. The cubic root of 475266561 is about 780.3913010341.

The spelling of 475266561 in words is "four hundred seventy-five million, two hundred sixty-six thousand, five hundred sixty-one".