475166539 has 2 divisors, whose sum is σ = 475166540. Its totient is φ = 475166538.

The previous prime is 475166477. The next prime is 475166567. The reversal of 475166539 is 935661574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475166539 - 2¹⁷ = 475035467 is a prime.

It is not a weakly prime, because it can be changed into another prime (475166599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237583269 + 237583270.

It is an arithmetic number, because the mean of its divisors is an integer number (237583270).

Almost surely, 2^475166539 is an apocalyptic number.

475166539 is a deficient number, since it is larger than the sum of its proper divisors (1).

475166539 is an equidigital number, since it uses as much as digits as its factorization.

475166539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 475166539 is about 21798.3150495629. The cubic root of 475166539 is about 780.3365515654.

The spelling of 475166539 in words is "four hundred seventy-five million, one hundred sixty-six thousand, five hundred thirty-nine".