475521579 has 24 divisors (see below), whose sum is σ = 750752912. Its totient is φ = 288256320.

The previous prime is 475521539. The next prime is 475521593. The reversal of 475521579 is 975125574.

475521579 is a `hidden beast` number, since 4 + 7 + 55 + 21 + 579 = 666.

It is not a de Polignac number, because 475521579 - 2¹¹ = 475519531 is a prime.

It is a super-2 number, since 2×475521579² = 452241544189306482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475521509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22492 + ... + 38169.

Almost surely, 2^475521579 is an apocalyptic number.

475521579 is a deficient number, since it is larger than the sum of its proper divisors (275231333).

475521579 is a wasteful number, since it uses less digits than its factorization.

475521579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60747 (or 60744 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The square root of 475521579 is about 21806.4572776047. The cubic root of 475521579 is about 780.5308565735.

It can be divided in two parts, 475521 and 579, that added together give a square (476100 = 690²).

The spelling of 475521579 in words is "four hundred seventy-five million, five hundred twenty-one thousand, five hundred seventy-nine".