5112891 has 12 divisors (see below), whose sum is σ = 8440432. Its totient is φ = 2921616.

The previous prime is 5112889. The next prime is 5112901. The reversal of 5112891 is 1982115.

It is not a de Polignac number, because 5112891 - 2¹ = 5112889 is a prime.

It is a super-2 number, since 2×5112891² = 52283308755762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5112841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40516 + ... + 40641.

Almost surely, 2^5112891 is an apocalyptic number.

5112891 is a deficient number, since it is larger than the sum of its proper divisors (3327541).

5112891 is a wasteful number, since it uses less digits than its factorization.

5112891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81170 (or 81167 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 5112891 is about 2261.1702722263. The cubic root of 5112891 is about 172.2749680658.

It can be divided in two parts, 5 and 112891, that added together give a square (112896 = 336²).

The spelling of 5112891 in words is "five million, one hundred twelve thousand, eight hundred ninety-one".