5213987 has 4 divisors (see below), whose sum is σ = 5219256. Its totient is φ = 5208720.

The previous prime is 5213959. The next prime is 5213993. The reversal of 5213987 is 7893125.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5213987 - 2¹⁴ = 5197603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5213927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (1304814).

Almost surely, 2^5213987 is an apocalyptic number.

5213987 is a deficient number, since it is larger than the sum of its proper divisors (5269).

5213987 is a wasteful number, since it uses less digits than its factorization.

5213987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 15120, while the sum is 35.

The square root of 5213987 is about 2283.4156432853. The cubic root of 5213987 is about 173.4030164433.

The spelling of 5213987 in words is "five million, two hundred thirteen thousand, nine hundred eighty-seven".