613731713 has 6 divisors (see below), whose sum is σ = 713932866. Its totient is φ = 526055712.

The previous prime is 613731709. The next prime is 613731731. The reversal of 613731713 is 317137316.

It can be written as a sum of positive squares in only one way, i.e., 532317184 + 81414529 = 23072^2 + 9023^2 .

It is not a de Polignac number, because 613731713 - 2² = 613731709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613731713.

It is not an unprimeable number, because it can be changed into a prime (613731743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6262520 + ... + 6262617.

It is an arithmetic number, because the mean of its divisors is an integer number (118988811).

Almost surely, 2^613731713 is an apocalyptic number.

It is an amenable number.

613731713 is a deficient number, since it is larger than the sum of its proper divisors (100201153).

613731713 is a wasteful number, since it uses less digits than its factorization.

613731713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525151 (or 12525144 counting only the distinct ones).

The product of its digits is 7938, while the sum is 32.

The square root of 613731713 is about 24773.6092041511. The cubic root of 613731713 is about 849.8185139636.

The spelling of 613731713 in words is "six hundred thirteen million, seven hundred thirty-one thousand, seven hundred thirteen".