713220637 has 2 divisors, whose sum is σ = 713220638. Its totient is φ = 713220636.

The previous prime is 713220623. The next prime is 713220649. The reversal of 713220637 is 736022317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713210436 + 10201 = 26706^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 713220637 - 2¹¹ = 713218589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 713220599 and 713220608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713220617) 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, 356610318 + 356610319.

It is an arithmetic number, because the mean of its divisors is an integer number (356610319).

Almost surely, 2^713220637 is an apocalyptic number.

It is an amenable number.

713220637 is a deficient number, since it is larger than the sum of its proper divisors (1).

713220637 is an equidigital number, since it uses as much as digits as its factorization.

713220637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 713220637 is about 26706.1909863612. The cubic root of 713220637 is about 893.4590117821.

The spelling of 713220637 in words is "seven hundred thirteen million, two hundred twenty thousand, six hundred thirty-seven".