497105815 has 16 divisors (see below), whose sum is σ = 608860800. Its totient is φ = 389489152.

The previous prime is 497105809. The next prime is 497105881. The reversal of 497105815 is 518501794.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 497105815 - 2⁵ = 497105783 is a prime.

It is a super-2 number, since 2×497105815² = 494228382613628450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189231 + ... + 191839.

It is an arithmetic number, because the mean of its divisors is an integer number (38053800).

Almost surely, 2^497105815 is an apocalyptic number.

497105815 is a deficient number, since it is larger than the sum of its proper divisors (111754985).

497105815 is a wasteful number, since it uses less digits than its factorization.

497105815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 497105815 is about 22295.8699090213. The cubic root of 497105815 is about 792.1661508835.

The spelling of 497105815 in words is "four hundred ninety-seven million, one hundred five thousand, eight hundred fifteen".