474856457 has 2 divisors, whose sum is σ = 474856458. Its totient is φ = 474856456.

The previous prime is 474856399. The next prime is 474856489. The reversal of 474856457 is 754658474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348046336 + 126810121 = 18656^2 + 11261^2 .

It is a cyclic number.

It is not a de Polignac number, because 474856457 - 2¹² = 474852361 is a prime.

It is not a weakly prime, because it can be changed into another prime (474850457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237428228 + 237428229.

It is an arithmetic number, because the mean of its divisors is an integer number (237428229).

Almost surely, 2^474856457 is an apocalyptic number.

It is an amenable number.

474856457 is a deficient number, since it is larger than the sum of its proper divisors (1).

474856457 is an equidigital number, since it uses as much as digits as its factorization.

474856457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3763200, while the sum is 50.

The square root of 474856457 is about 21791.2013666067. The cubic root of 474856457 is about 780.1667718131.

The spelling of 474856457 in words is "four hundred seventy-four million, eight hundred fifty-six thousand, four hundred fifty-seven".