475904461 has 2 divisors, whose sum is σ = 475904462. Its totient is φ = 475904460.

The previous prime is 475904459. The next prime is 475904479. The reversal of 475904461 is 164409574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396248836 + 79655625 = 19906^2 + 8925^2 .

It is a cyclic number.

It is not a de Polignac number, because 475904461 - 2¹ = 475904459 is a prime.

Together with 475904459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475904491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237952230 + 237952231.

It is an arithmetic number, because the mean of its divisors is an integer number (237952231).

Almost surely, 2^475904461 is an apocalyptic number.

It is an amenable number.

475904461 is a deficient number, since it is larger than the sum of its proper divisors (1).

475904461 is an equidigital number, since it uses as much as digits as its factorization.

475904461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 475904461 is about 21815.2346079523. The cubic root of 475904461 is about 780.7402904909.

The spelling of 475904461 in words is "four hundred seventy-five million, nine hundred four thousand, four hundred sixty-one".