497605311 has 24 divisors (see below), whose sum is σ = 823533984. Its totient is φ = 283622400.

The previous prime is 497605291. The next prime is 497605313. The reversal of 497605311 is 113506794.

497605311 is a `hidden beast` number, since 49 + 7 + 605 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 497605311 - 2⁹ = 497604799 is a prime.

It is a super-2 number, since 2×497605311² = 495222091070813442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497605313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15415 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (34313916).

Almost surely, 2^497605311 is an apocalyptic number.

497605311 is a deficient number, since it is larger than the sum of its proper divisors (325928673).

497605311 is a wasteful number, since it uses less digits than its factorization.

497605311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111 (or 20108 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 497605311 is about 22307.0686330589. The cubic root of 497605311 is about 792.4313870813.

The spelling of 497605311 in words is "four hundred ninety-seven million, six hundred five thousand, three hundred eleven".