496564991 has 8 divisors (see below), whose sum is σ = 535508064. Its totient is φ = 457728480.

The previous prime is 496564987. The next prime is 496565023. The reversal of 496564991 is 199465694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 496564991 - 2² = 496564987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496564931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16820 + ... + 35721.

It is an arithmetic number, because the mean of its divisors is an integer number (66938508).

Almost surely, 2^496564991 is an apocalyptic number.

496564991 is a deficient number, since it is larger than the sum of its proper divisors (38943073).

496564991 is a wasteful number, since it uses less digits than its factorization.

496564991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53281.

The product of its digits is 2099520, while the sum is 53.

The square root of 496564991 is about 22283.7382635858. The cubic root of 496564991 is about 791.8787687915.

The spelling of 496564991 in words is "four hundred ninety-six million, five hundred sixty-four thousand, nine hundred ninety-one".