497610881 has 2 divisors, whose sum is σ = 497610882. Its totient is φ = 497610880.

The previous prime is 497610857. The next prime is 497610901. The reversal of 497610881 is 188016794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493550656 + 4060225 = 22216^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 497610881 - 2¹⁰ = 497609857 is a prime.

It is a super-2 number, since 2×497610881² = 495233177779192322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497610821) 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, 248805440 + 248805441.

It is an arithmetic number, because the mean of its divisors is an integer number (248805441).

Almost surely, 2^497610881 is an apocalyptic number.

It is an amenable number.

497610881 is a deficient number, since it is larger than the sum of its proper divisors (1).

497610881 is an equidigital number, since it uses as much as digits as its factorization.

497610881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 497610881 is about 22307.1934810276. The cubic root of 497610881 is about 792.4343437930.

The spelling of 497610881 in words is "four hundred ninety-seven million, six hundred ten thousand, eight hundred eighty-one".