613790347 has 2 divisors, whose sum is σ = 613790348. Its totient is φ = 613790346.

The previous prime is 613790327. The next prime is 613790363. The reversal of 613790347 is 743097316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613790347 is a prime.

It is not a weakly prime, because it can be changed into another prime (613790327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306895173 + 306895174.

It is an arithmetic number, because the mean of its divisors is an integer number (306895174).

Almost surely, 2^613790347 is an apocalyptic number.

613790347 is a deficient number, since it is larger than the sum of its proper divisors (1).

613790347 is an equidigital number, since it uses as much as digits as its factorization.

613790347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 613790347 is about 24774.7925722901. The cubic root of 613790347 is about 849.8455760990.

The spelling of 613790347 in words is "six hundred thirteen million, seven hundred ninety thousand, three hundred forty-seven".