474495457 has 2 divisors, whose sum is σ = 474495458. Its totient is φ = 474495456.

The previous prime is 474495397. The next prime is 474495491. The reversal of 474495457 is 754594474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371756961 + 102738496 = 19281^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 474495457 - 2¹⁵ = 474462689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474495457.

It is not a weakly prime, because it can be changed into another prime (474495257) 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, 237247728 + 237247729.

It is an arithmetic number, because the mean of its divisors is an integer number (237247729).

Almost surely, 2^474495457 is an apocalyptic number.

It is an amenable number.

474495457 is a deficient number, since it is larger than the sum of its proper divisors (1).

474495457 is an equidigital number, since it uses as much as digits as its factorization.

474495457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The square root of 474495457 is about 21782.9166320766. The cubic root of 474495457 is about 779.9690196987.

The spelling of 474495457 in words is "four hundred seventy-four million, four hundred ninety-five thousand, four hundred fifty-seven".