5113245491 has 2 divisors, whose sum is σ = 5113245492. Its totient is φ = 5113245490.

The previous prime is 5113245469. The next prime is 5113245539. The reversal of 5113245491 is 1945423115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5113245491 - 2⁶ = 5113245427 is a prime.

It is a super-2 number, since 2×5113245491² = 52290558902463662162, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5113245191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556622745 + 2556622746.

It is an arithmetic number, because the mean of its divisors is an integer number (2556622746).

Almost surely, 2^5113245491 is an apocalyptic number.

5113245491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113245491 is an equidigital number, since it uses as much as digits as its factorization.

5113245491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 5113245491 is about 71506.9611366614. The cubic root of 5113245491 is about 1722.7894940850.

The spelling of 5113245491 in words is "five billion, one hundred thirteen million, two hundred forty-five thousand, four hundred ninety-one".