613108747 has 2 divisors, whose sum is σ = 613108748. Its totient is φ = 613108746.

The previous prime is 613108693. The next prime is 613108763. The reversal of 613108747 is 747801316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613108747 is a prime.

It is not a weakly prime, because it can be changed into another prime (613108787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306554373 + 306554374.

It is an arithmetic number, because the mean of its divisors is an integer number (306554374).

Almost surely, 2^613108747 is an apocalyptic number.

613108747 is a deficient number, since it is larger than the sum of its proper divisors (1).

613108747 is an equidigital number, since it uses as much as digits as its factorization.

613108747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 613108747 is about 24761.0328338702. The cubic root of 613108747 is about 849.5308816238.

The spelling of 613108747 in words is "six hundred thirteen million, one hundred eight thousand, seven hundred forty-seven".