5112491 has 2 divisors, whose sum is σ = 5112492. Its totient is φ = 5112490.

The previous prime is 5112487. The next prime is 5112511. The reversal of 5112491 is 1942115.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5112491 - 2² = 5112487 is a prime.

It is a super-2 number, since 2×5112491² = 52275128450162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5112421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556245 + 2556246.

It is an arithmetic number, because the mean of its divisors is an integer number (2556246).

Almost surely, 2^5112491 is an apocalyptic number.

5112491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5112491 is an equidigital number, since it uses as much as digits as its factorization.

5112491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 5112491 is about 2261.0818207221. The cubic root of 5112491 is about 172.2704753835.

It can be divided in two parts, 51124 and 91, that added together give a palindrome (51215).

The spelling of 5112491 in words is "five million, one hundred twelve thousand, four hundred ninety-one".