496657985 has 4 divisors (see below), whose sum is σ = 595989588. Its totient is φ = 397326384.

The previous prime is 496657979. The next prime is 496657991. The reversal of 496657985 is 589756694.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (496657979) and next prime (496657991).

It can be written as a sum of positive squares in 2 ways, for example, as 285711409 + 210946576 = 16903^2 + 14524^2 .

It is a cyclic number.

It is not a de Polignac number, because 496657985 - 2⁸ = 496657729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49665794 + ... + 49665803.

It is an arithmetic number, because the mean of its divisors is an integer number (148997397).

Almost surely, 2^496657985 is an apocalyptic number.

It is an amenable number.

496657985 is a deficient number, since it is larger than the sum of its proper divisors (99331603).

496657985 is an equidigital number, since it uses as much as digits as its factorization.

496657985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99331602.

The product of its digits is 16329600, while the sum is 59.

The square root of 496657985 is about 22285.8247547628. The cubic root of 496657985 is about 791.9281986272.

The spelling of 496657985 in words is "four hundred ninety-six million, six hundred fifty-seven thousand, nine hundred eighty-five".