613253357137 has 2 divisors, whose sum is σ = 613253357138. Its totient is φ = 613253357136.

The previous prime is 613253357131. The next prime is 613253357153. The reversal of 613253357137 is 731753352316.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424466583121 + 188786774016 = 651511^2 + 434496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613253357137 is a prime.

It is not a weakly prime, because it can be changed into another prime (613253357131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306626678568 + 306626678569.

It is an arithmetic number, because the mean of its divisors is an integer number (306626678569).

Almost surely, 2^613253357137 is an apocalyptic number.

It is an amenable number.

613253357137 is a deficient number, since it is larger than the sum of its proper divisors (1).

613253357137 is an equidigital number, since it uses as much as digits as its factorization.

613253357137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 46.

The spelling of 613253357137 in words is "six hundred thirteen billion, two hundred fifty-three million, three hundred fifty-seven thousand, one hundred thirty-seven".