613089013 has 2 divisors, whose sum is σ = 613089014. Its totient is φ = 613089012.

The previous prime is 613088947. The next prime is 613089041. The reversal of 613089013 is 310980316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610188804 + 2900209 = 24702^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 613089013 - 2⁹ = 613088501 is a prime.

It is a super-2 number, since 2×613089013² = 751756275722628338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613089053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306544506 + 306544507.

It is an arithmetic number, because the mean of its divisors is an integer number (306544507).

Almost surely, 2^613089013 is an apocalyptic number.

It is an amenable number.

613089013 is a deficient number, since it is larger than the sum of its proper divisors (1).

613089013 is an equidigital number, since it uses as much as digits as its factorization.

613089013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 613089013 is about 24760.6343416319. The cubic root of 613089013 is about 849.5217669698.

The spelling of 613089013 in words is "six hundred thirteen million, eighty-nine thousand, thirteen".