613210013 has 8 divisors (see below), whose sum is σ = 660718968. Its totient is φ = 565749504.

The previous prime is 613209997. The next prime is 613210021. The reversal of 613210013 is 310012316.

It can be written as a sum of positive squares in 4 ways, for example, as 28440889 + 584769124 = 5333^2 + 24182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 613210013 - 2⁴ = 613209997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613209973 and 613210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613210813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16745 + ... + 38817.

It is an arithmetic number, because the mean of its divisors is an integer number (82589871).

Almost surely, 2^613210013 is an apocalyptic number.

It is an amenable number.

613210013 is a deficient number, since it is larger than the sum of its proper divisors (47508955).

613210013 is a wasteful number, since it uses less digits than its factorization.

613210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 613210013 is about 24763.0776156761. The cubic root of 613210013 is about 849.5776508463.

Adding to 613210013 its reverse (310012316), we get a palindrome (923222329).

The spelling of 613210013 in words is "six hundred thirteen million, two hundred ten thousand, thirteen".