613523610313 has 2 divisors, whose sum is σ = 613523610314. Its totient is φ = 613523610312.

The previous prime is 613523610307. The next prime is 613523610367. The reversal of 613523610313 is 313016325316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479588105529 + 133935504784 = 692523^2 + 365972^2 .

It is a cyclic number.

It is not a de Polignac number, because 613523610313 - 2²⁵ = 613490055881 is a prime.

It is a super-2 number, since 2×613523610313² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (613523610613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306761805156 + 306761805157.

It is an arithmetic number, because the mean of its divisors is an integer number (306761805157).

Almost surely, 2^613523610313 is an apocalyptic number.

It is an amenable number.

613523610313 is a deficient number, since it is larger than the sum of its proper divisors (1).

613523610313 is an equidigital number, since it uses as much as digits as its factorization.

613523610313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 613523610313 its reverse (313016325316), we get a palindrome (926539935629).

The spelling of 613523610313 in words is "six hundred thirteen billion, five hundred twenty-three million, six hundred ten thousand, three hundred thirteen".