613263043 has 2 divisors, whose sum is σ = 613263044. Its totient is φ = 613263042.

The previous prime is 613262959. The next prime is 613263059. The reversal of 613263043 is 340362316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613263043 is a prime.

It is not a weakly prime, because it can be changed into another prime (613203043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306631521 + 306631522.

It is an arithmetic number, because the mean of its divisors is an integer number (306631522).

Almost surely, 2^613263043 is an apocalyptic number.

613263043 is a deficient number, since it is larger than the sum of its proper divisors (1).

613263043 is an equidigital number, since it uses as much as digits as its factorization.

613263043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 613263043 is about 24764.1483398885. The cubic root of 613263043 is about 849.6021404465.

The spelling of 613263043 in words is "six hundred thirteen million, two hundred sixty-three thousand, forty-three".