472951657 has 2 divisors, whose sum is σ = 472951658. Its totient is φ = 472951656.

The previous prime is 472951643. The next prime is 472951709. The reversal of 472951657 is 756159274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439992576 + 32959081 = 20976^2 + 5741^2 .

It is a cyclic number.

It is not a de Polignac number, because 472951657 - 2²³ = 464563049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472951357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236475828 + 236475829.

It is an arithmetic number, because the mean of its divisors is an integer number (236475829).

Almost surely, 2^472951657 is an apocalyptic number.

It is an amenable number.

472951657 is a deficient number, since it is larger than the sum of its proper divisors (1).

472951657 is an equidigital number, since it uses as much as digits as its factorization.

472951657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The square root of 472951657 is about 21747.4517357781. The cubic root of 472951657 is about 779.1222083409.

The spelling of 472951657 in words is "four hundred seventy-two million, nine hundred fifty-one thousand, six hundred fifty-seven".