472257017 has 2 divisors, whose sum is σ = 472257018. Its totient is φ = 472257016.

The previous prime is 472256959. The next prime is 472257031. The reversal of 472257017 is 710752274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453732601 + 18524416 = 21301^2 + 4304^2 .

It is a cyclic number.

It is not a de Polignac number, because 472257017 - 2²² = 468062713 is a prime.

It is not a weakly prime, because it can be changed into another prime (472257047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236128508 + 236128509.

It is an arithmetic number, because the mean of its divisors is an integer number (236128509).

Almost surely, 2^472257017 is an apocalyptic number.

It is an amenable number.

472257017 is a deficient number, since it is larger than the sum of its proper divisors (1).

472257017 is an equidigital number, since it uses as much as digits as its factorization.

472257017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 472257017 is about 21731.4752605524. The cubic root of 472257017 is about 778.7405804491.

The spelling of 472257017 in words is "four hundred seventy-two million, two hundred fifty-seven thousand, seventeen".