5218494 has 16 divisors (see below), whose sum is σ = 10463232. Its totient is φ = 1735128.

The previous prime is 5218487. The next prime is 5218511. The reversal of 5218494 is 4948125.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2307 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (653952).

Almost surely, 2^5218494 is an apocalyptic number.

5218494 is an abundant number, since it is smaller than the sum of its proper divisors (5244738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5218494 is a wasteful number, since it uses less digits than its factorization.

5218494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 11520, while the sum is 33.

The square root of 5218494 is about 2284.4023288379. The cubic root of 5218494 is about 173.4529655716.

The spelling of 5218494 in words is "five million, two hundred eighteen thousand, four hundred ninety-four".