613707349 has 2 divisors, whose sum is σ = 613707350. Its totient is φ = 613707348.

The previous prime is 613707331. The next prime is 613707377. The reversal of 613707349 is 943707316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613552900 + 154449 = 24770^2 + 393^2 .

It is a cyclic number.

It is not a de Polignac number, because 613707349 - 2⁹ = 613706837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613707319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306853674 + 306853675.

It is an arithmetic number, because the mean of its divisors is an integer number (306853675).

Almost surely, 2^613707349 is an apocalyptic number.

It is an amenable number.

613707349 is a deficient number, since it is larger than the sum of its proper divisors (1).

613707349 is an equidigital number, since it uses as much as digits as its factorization.

613707349 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 613707349 is about 24773.1174663182. The cubic root of 613707349 is about 849.8072684135.

The spelling of 613707349 in words is "six hundred thirteen million, seven hundred seven thousand, three hundred forty-nine".