497814661 has 16 divisors (see below), whose sum is σ = 519095808. Its totient is φ = 477043200.

The previous prime is 497814601. The next prime is 497814677. The reversal of 497814661 is 166418794.

It is not a de Polignac number, because 497814661 - 2⁷ = 497814533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497814601) 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 in 15 ways as a sum of consecutive naturals, for example, 819820 + ... + 820426.

It is an arithmetic number, because the mean of its divisors is an integer number (32443488).

Almost surely, 2^497814661 is an apocalyptic number.

497814661 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

497814661 is a deficient number, since it is larger than the sum of its proper divisors (21281147).

497814661 is a wasteful number, since it uses less digits than its factorization.

497814661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 290304, while the sum is 46.

The square root of 497814661 is about 22311.7605983929. The cubic root of 497814661 is about 792.5425007476.

The spelling of 497814661 in words is "four hundred ninety-seven million, eight hundred fourteen thousand, six hundred sixty-one".