613806043 has 2 divisors, whose sum is σ = 613806044. Its totient is φ = 613806042.

The previous prime is 613806031. The next prime is 613806079. The reversal of 613806043 is 340608316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613806043 - 2²¹ = 611708891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613805996 and 613806014.

It is not a weakly prime, because it can be changed into another prime (613806013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306903021 + 306903022.

It is an arithmetic number, because the mean of its divisors is an integer number (306903022).

Almost surely, 2^613806043 is an apocalyptic number.

613806043 is a deficient number, since it is larger than the sum of its proper divisors (1).

613806043 is an equidigital number, since it uses as much as digits as its factorization.

613806043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 613806043 is about 24775.1093438556. The cubic root of 613806043 is about 849.8528201916.

The spelling of 613806043 in words is "six hundred thirteen million, eight hundred six thousand, forty-three".