5018518 has 4 divisors (see below), whose sum is σ = 7527780. Its totient is φ = 2509258.

The previous prime is 5018513. The next prime is 5018521. The reversal of 5018518 is 8158105.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254628 + ... + 1254631.

It is an arithmetic number, because the mean of its divisors is an integer number (1881945).

Almost surely, 2^5018518 is an apocalyptic number.

5018518 is a deficient number, since it is larger than the sum of its proper divisors (2509262).

5018518 is a wasteful number, since it uses less digits than its factorization.

5018518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509261.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5018518 is about 2240.2049013427. The cubic root of 5018518 is about 171.2084368204.

The spelling of 5018518 in words is "five million, eighteen thousand, five hundred eighteen".