496564251 has 12 divisors (see below), whose sum is σ = 664890408. Its totient is φ = 329646304.

The previous prime is 496564249. The next prime is 496564279. The reversal of 496564251 is 152465694.

It is not a de Polignac number, because 496564251 - 2¹ = 496564249 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (496564351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206311 + ... + 208703.

It is an arithmetic number, because the mean of its divisors is an integer number (55407534).

Almost surely, 2^496564251 is an apocalyptic number.

496564251 is a deficient number, since it is larger than the sum of its proper divisors (168326157).

496564251 is an equidigital number, since it uses as much as digits as its factorization.

496564251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2659 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 496564251 is about 22283.7216595433. The cubic root of 496564251 is about 791.8783754287.

The spelling of 496564251 in words is "four hundred ninety-six million, five hundred sixty-four thousand, two hundred fifty-one".