713180621 has 2 divisors, whose sum is σ = 713180622. Its totient is φ = 713180620.

The previous prime is 713180593. The next prime is 713180623. The reversal of 713180621 is 126081317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707826025 + 5354596 = 26605^2 + 2314^2 .

It is an emirp because it is prime and its reverse (126081317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713180621 is a prime.

Together with 713180623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713180623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356590310 + 356590311.

It is an arithmetic number, because the mean of its divisors is an integer number (356590311).

Almost surely, 2^713180621 is an apocalyptic number.

It is an amenable number.

713180621 is a deficient number, since it is larger than the sum of its proper divisors (1).

713180621 is an equidigital number, since it uses as much as digits as its factorization.

713180621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 713180621 is about 26705.4417862727. The cubic root of 713180621 is about 893.4423019812.

The spelling of 713180621 in words is "seven hundred thirteen million, one hundred eighty thousand, six hundred twenty-one".