497092681 has 2 divisors, whose sum is σ = 497092682. Its totient is φ = 497092680.

The previous prime is 497092667. The next prime is 497092691. The reversal of 497092681 is 186290794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495507600 + 1585081 = 22260^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 497092681 - 2⁷ = 497092553 is a prime.

It is a super-2 number, since 2×497092681² = 494202267007535522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497092621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248546340 + 248546341.

It is an arithmetic number, because the mean of its divisors is an integer number (248546341).

Almost surely, 2^497092681 is an apocalyptic number.

It is an amenable number.

497092681 is a deficient number, since it is larger than the sum of its proper divisors (1).

497092681 is an equidigital number, since it uses as much as digits as its factorization.

497092681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 497092681 is about 22295.5753682205. The cubic root of 497092681 is about 792.1591742321.

The spelling of 497092681 in words is "four hundred ninety-seven million, ninety-two thousand, six hundred eighty-one".