717449053 has 2 divisors, whose sum is σ = 717449054. Its totient is φ = 717449052.

The previous prime is 717449041. The next prime is 717449059. The reversal of 717449053 is 350944717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558235129 + 159213924 = 23627^2 + 12618^2 .

It is an emirp because it is prime and its reverse (350944717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 717449053 - 2²⁹ = 180578141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 717448997 and 717449015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717449059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358724526 + 358724527.

It is an arithmetic number, because the mean of its divisors is an integer number (358724527).

Almost surely, 2^717449053 is an apocalyptic number.

It is an amenable number.

717449053 is a deficient number, since it is larger than the sum of its proper divisors (1).

717449053 is an equidigital number, since it uses as much as digits as its factorization.

717449053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 717449053 is about 26785.2394613153. The cubic root of 717449053 is about 895.2211943532.

The spelling of 717449053 in words is "seven hundred seventeen million, four hundred forty-nine thousand, fifty-three".