492908657 has 2 divisors, whose sum is σ = 492908658. Its totient is φ = 492908656.

The previous prime is 492908623. The next prime is 492908677. The reversal of 492908657 is 756809294.

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., 353101681 + 139806976 = 18791^2 + 11824^2 .

It is a cyclic number.

It is not a de Polignac number, because 492908657 - 2⁶ = 492908593 is a prime.

It is not a weakly prime, because it can be changed into another prime (492908677) 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, 246454328 + 246454329.

It is an arithmetic number, because the mean of its divisors is an integer number (246454329).

Almost surely, 2^492908657 is an apocalyptic number.

It is an amenable number.

492908657 is a deficient number, since it is larger than the sum of its proper divisors (1).

492908657 is an equidigital number, since it uses as much as digits as its factorization.

492908657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 492908657 is about 22201.5462749782. The cubic root of 492908657 is about 789.9303773499.

The spelling of 492908657 in words is "four hundred ninety-two million, nine hundred eight thousand, six hundred fifty-seven".