475463561 has 2 divisors, whose sum is σ = 475463562. Its totient is φ = 475463560.

The previous prime is 475463537. The next prime is 475463587. The reversal of 475463561 is 165364574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446519161 + 28944400 = 21131^2 + 5380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475463561 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (475463501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237731780 + 237731781.

It is an arithmetic number, because the mean of its divisors is an integer number (237731781).

Almost surely, 2^475463561 is an apocalyptic number.

It is an amenable number.

475463561 is a deficient number, since it is larger than the sum of its proper divisors (1).

475463561 is an equidigital number, since it uses as much as digits as its factorization.

475463561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 475463561 is about 21805.1269429921. The cubic root of 475463561 is about 780.4991113047.

The spelling of 475463561 in words is "four hundred seventy-five million, four hundred sixty-three thousand, five hundred sixty-one".