613682357 has 2 divisors, whose sum is σ = 613682358. Its totient is φ = 613682356.

The previous prime is 613682327. The next prime is 613682471. The reversal of 613682357 is 753286316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579413041 + 34269316 = 24071^2 + 5854^2 .

It is a cyclic number.

It is not a de Polignac number, because 613682357 - 2⁸ = 613682101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613682327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306841178 + 306841179.

It is an arithmetic number, because the mean of its divisors is an integer number (306841179).

Almost surely, 2^613682357 is an apocalyptic number.

It is an amenable number.

613682357 is a deficient number, since it is larger than the sum of its proper divisors (1).

613682357 is an equidigital number, since it uses as much as digits as its factorization.

613682357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 613682357 is about 24772.6130434397. The cubic root of 613682357 is about 849.7957326918.

The spelling of 613682357 in words is "six hundred thirteen million, six hundred eighty-two thousand, three hundred fifty-seven".