492656657 has 2 divisors, whose sum is σ = 492656658. Its totient is φ = 492656656.

The previous prime is 492656641. The next prime is 492656687. The reversal of 492656657 is 756656294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356794321 + 135862336 = 18889^2 + 11656^2 .

It is a cyclic number.

It is not a de Polignac number, because 492656657 - 2⁴ = 492656641 is a prime.

It is equal to p_25988990 and since 492656657 and 25988990 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (492656687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246328328 + 246328329.

It is an arithmetic number, because the mean of its divisors is an integer number (246328329).

Almost surely, 2^492656657 is an apocalyptic number.

It is an amenable number.

492656657 is a deficient number, since it is larger than the sum of its proper divisors (1).

492656657 is an equidigital number, since it uses as much as digits as its factorization.

492656657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 492656657 is about 22195.8702690388. The cubic root of 492656657 is about 789.7957368605.

The spelling of 492656657 in words is "four hundred ninety-two million, six hundred fifty-six thousand, six hundred fifty-seven".