613265657 has 2 divisors, whose sum is σ = 613265658. Its totient is φ = 613265656.

The previous prime is 613265651. The next prime is 613265671. The reversal of 613265657 is 756562316.

613265657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566630416 + 46635241 = 23804^2 + 6829^2 .

It is a cyclic number.

It is not a de Polignac number, because 613265657 - 2⁶ = 613265593 is a prime.

It is not a weakly prime, because it can be changed into another prime (613265651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306632828 + 306632829.

It is an arithmetic number, because the mean of its divisors is an integer number (306632829).

Almost surely, 2^613265657 is an apocalyptic number.

It is an amenable number.

613265657 is a deficient number, since it is larger than the sum of its proper divisors (1).

613265657 is an equidigital number, since it uses as much as digits as its factorization.

613265657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 613265657 is about 24764.2011177425. The cubic root of 613265657 is about 849.6033475723.

The spelling of 613265657 in words is "six hundred thirteen million, two hundred sixty-five thousand, six hundred fifty-seven".