475134511 has 4 divisors (see below), whose sum is σ = 478761624. Its totient is φ = 471507400.

The previous prime is 475134497. The next prime is 475134553. The reversal of 475134511 is 115431574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475134511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475137511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813360 + ... + 1813621.

It is an arithmetic number, because the mean of its divisors is an integer number (119690406).

Almost surely, 2^475134511 is an apocalyptic number.

475134511 is a deficient number, since it is larger than the sum of its proper divisors (3627113).

475134511 is a wasteful number, since it uses less digits than its factorization.

475134511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627112.

The product of its digits is 8400, while the sum is 31.

The square root of 475134511 is about 21797.5803932455. The cubic root of 475134511 is about 780.3190186385.

The spelling of 475134511 in words is "four hundred seventy-five million, one hundred thirty-four thousand, five hundred eleven".