475312961 has 2 divisors, whose sum is σ = 475312962. Its totient is φ = 475312960.

The previous prime is 475312913. The next prime is 475312991. The reversal of 475312961 is 169213574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403809025 + 71503936 = 20095^2 + 8456^2 .

It is a cyclic number.

It is not a de Polignac number, because 475312961 - 2¹⁸ = 475050817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475312991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237656480 + 237656481.

It is an arithmetic number, because the mean of its divisors is an integer number (237656481).

Almost surely, 2^475312961 is an apocalyptic number.

It is an amenable number.

475312961 is a deficient number, since it is larger than the sum of its proper divisors (1).

475312961 is an equidigital number, since it uses as much as digits as its factorization.

475312961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 475312961 is about 21801.6733532085. The cubic root of 475312961 is about 780.4166965918.

The spelling of 475312961 in words is "four hundred seventy-five million, three hundred twelve thousand, nine hundred sixty-one".