472805057 has 2 divisors, whose sum is σ = 472805058. Its totient is φ = 472805056.

The previous prime is 472805041. The next prime is 472805141. The reversal of 472805057 is 750508274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315453121 + 157351936 = 17761^2 + 12544^2 .

It is a cyclic number.

It is not a de Polignac number, because 472805057 - 2⁴ = 472805041 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472805057.

It is not a weakly prime, because it can be changed into another prime (472808057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236402528 + 236402529.

It is an arithmetic number, because the mean of its divisors is an integer number (236402529).

Almost surely, 2^472805057 is an apocalyptic number.

It is an amenable number.

472805057 is a deficient number, since it is larger than the sum of its proper divisors (1).

472805057 is an equidigital number, since it uses as much as digits as its factorization.

472805057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 472805057 is about 21744.0809647131. The cubic root of 472805057 is about 779.0416989713.

The spelling of 472805057 in words is "four hundred seventy-two million, eight hundred five thousand, fifty-seven".