7713613 has 2 divisors, whose sum is σ = 7713614. Its totient is φ = 7713612.

The previous prime is 7713611. The next prime is 7713659. The reversal of 7713613 is 3163177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 1671849 = 2458^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 7713613 - 2¹ = 7713611 is a prime.

Together with 7713611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7713611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856806 + 3856807.

It is an arithmetic number, because the mean of its divisors is an integer number (3856807).

Almost surely, 2^7713613 is an apocalyptic number.

It is an amenable number.

7713613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7713613 is an equidigital number, since it uses as much as digits as its factorization.

7713613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 28.

The square root of 7713613 is about 2777.3391942649. The cubic root of 7713613 is about 197.5843831053.

The spelling of 7713613 in words is "seven million, seven hundred thirteen thousand, six hundred thirteen".