5018643 has 24 divisors (see below), whose sum is σ = 8512608. Its totient is φ = 2788992.

The previous prime is 5018639. The next prime is 5018647. The reversal of 5018643 is 3468105.

5018643 is a `hidden beast` number, since 5 + 0 + 18 + 643 = 666.

It is an interprime number because it is at equal distance from previous prime (5018639) and next prime (5018647).

It is not a de Polignac number, because 5018643 - 2² = 5018639 is a prime.

It is a super-2 number, since 2×5018643² = 50373555122898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5018647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255 + ... + 3407.

It is an arithmetic number, because the mean of its divisors is an integer number (354692).

Almost surely, 2^5018643 is an apocalyptic number.

5018643 is a deficient number, since it is larger than the sum of its proper divisors (3493965).

5018643 is a wasteful number, since it uses less digits than its factorization.

5018643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5018643 is about 2240.2328004027. The cubic root of 5018643 is about 171.2098582810.

The spelling of 5018643 in words is "five million, eighteen thousand, six hundred forty-three".