472525657 has 2 divisors, whose sum is σ = 472525658. Its totient is φ = 472525656.

The previous prime is 472525609. The next prime is 472525709. The reversal of 472525657 is 756525274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455352921 + 17172736 = 21339^2 + 4144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472525657 is a prime.

It is not a weakly prime, because it can be changed into another prime (472525457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236262828 + 236262829.

It is an arithmetic number, because the mean of its divisors is an integer number (236262829).

Almost surely, 2^472525657 is an apocalyptic number.

It is an amenable number.

472525657 is a deficient number, since it is larger than the sum of its proper divisors (1).

472525657 is an equidigital number, since it uses as much as digits as its factorization.

472525657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 43.

The square root of 472525657 is about 21737.6552783413. The cubic root of 472525657 is about 778.8882127814. Note that the first 3 decimals are identical.

The spelling of 472525657 in words is "four hundred seventy-two million, five hundred twenty-five thousand, six hundred fifty-seven".