5187863 has 2 divisors, whose sum is σ = 5187864. Its totient is φ = 5187862.

The previous prime is 5187859. The next prime is 5187869. The reversal of 5187863 is 3687815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5187863 - 2² = 5187859 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5187869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593931 + 2593932.

It is an arithmetic number, because the mean of its divisors is an integer number (2593932).

Almost surely, 2^5187863 is an apocalyptic number.

5187863 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187863 is an equidigital number, since it uses as much as digits as its factorization.

5187863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 5187863 is about 2277.6880822448. The cubic root of 5187863 is about 173.1129270385.

The spelling of 5187863 in words is "five million, one hundred eighty-seven thousand, eight hundred sixty-three".