5642518 has 8 divisors (see below), whose sum is σ = 9672912. Its totient is φ = 2418216.

The previous prime is 5642513. The next prime is 5642531. The reversal of 5642518 is 8152465.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5642518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201505 + ... + 201532.

It is an arithmetic number, because the mean of its divisors is an integer number (1209114).

Almost surely, 2^5642518 is an apocalyptic number.

5642518 is a deficient number, since it is larger than the sum of its proper divisors (4030394).

5642518 is a wasteful number, since it uses less digits than its factorization.

5642518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403046.

The product of its digits is 9600, while the sum is 31.

The square root of 5642518 is about 2375.3984928849. The cubic root of 5642518 is about 178.0290951051.

The spelling of 5642518 in words is "five million, six hundred forty-two thousand, five hundred eighteen".