5031881 has 4 divisors (see below), whose sum is σ = 5327892. Its totient is φ = 4735872.

The previous prime is 5031863. The next prime is 5031899. The reversal of 5031881 is 1881305.

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

It is an interprime number because it is at equal distance from previous prime (5031863) and next prime (5031899).

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 3553225 = 1216^2 + 1885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5031881 is a prime.

It is a super-2 number, since 2×5031881² = 50639652796322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5031881.

It is not an unprimeable number, because it can be changed into a prime (5031811) 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, 147980 + ... + 148013.

It is an arithmetic number, because the mean of its divisors is an integer number (1331973).

Almost surely, 2^5031881 is an apocalyptic number.

It is an amenable number.

5031881 is a deficient number, since it is larger than the sum of its proper divisors (296011).

5031881 is a wasteful number, since it uses less digits than its factorization.

5031881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296010.

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

The square root of 5031881 is about 2243.1854582268. The cubic root of 5031881 is about 171.3602632283.

The spelling of 5031881 in words is "five million, thirty-one thousand, eight hundred eighty-one".