5031989 has 4 divisors (see below), whose sum is σ = 5149056. Its totient is φ = 4914924.

The previous prime is 5031967. The next prime is 5031991. The reversal of 5031989 is 9891305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5031989 is a prime.

It is a super-2 number, since 2×5031989² = 50641826592242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5031919) 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, 58469 + ... + 58554.

It is an arithmetic number, because the mean of its divisors is an integer number (1287264).

Almost surely, 2^5031989 is an apocalyptic number.

It is an amenable number.

5031989 is a deficient number, since it is larger than the sum of its proper divisors (117067).

5031989 is a wasteful number, since it uses less digits than its factorization.

5031989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117066.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5031989 is about 2243.2095310069. The cubic root of 5031989 is about 171.3614891964.

The spelling of 5031989 in words is "five million, thirty-one thousand, nine hundred eighty-nine".