5113987 has 4 divisors (see below), whose sum is σ = 5124976. Its totient is φ = 5103000.

The previous prime is 5113967. The next prime is 5113993. The reversal of 5113987 is 7893115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5113987 - 2⁷ = 5113859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5113967) 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, 4764 + ... + 5737.

It is an arithmetic number, because the mean of its divisors is an integer number (1281244).

Almost surely, 2^5113987 is an apocalyptic number.

5113987 is a deficient number, since it is larger than the sum of its proper divisors (10989).

5113987 is a wasteful number, since it uses less digits than its factorization.

5113987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988.

The product of its digits is 7560, while the sum is 34.

The square root of 5113987 is about 2261.4126116213. The cubic root of 5113987 is about 172.2872768147.

The spelling of 5113987 in words is "five million, one hundred thirteen thousand, nine hundred eighty-seven".