5018813 has 2 divisors, whose sum is σ = 5018814. Its totient is φ = 5018812.

The previous prime is 5018803. The next prime is 5018821. The reversal of 5018813 is 3188105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4674244 + 344569 = 2162^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 5018813 - 2⁶ = 5018749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₃₄₉₇₁₂ and since 5018813 and 349712 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5018803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509406 + 2509407.

It is an arithmetic number, because the mean of its divisors is an integer number (2509407).

Almost surely, 2^5018813 is an apocalyptic number.

It is an amenable number.

5018813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5018813 is an equidigital number, since it uses as much as digits as its factorization.

5018813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 5018813 is about 2240.2707425666. The cubic root of 5018813 is about 171.2117914295.

The spelling of 5018813 in words is "five million, eighteen thousand, eight hundred thirteen".