717232013 has 4 divisors (see below), whose sum is σ = 736616700. Its totient is φ = 697847328.

The previous prime is 717232003. The next prime is 717232067. The reversal of 717232013 is 310232717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 688695049 + 28536964 = 26243^2 + 5342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-717232013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717232003) 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 in 3 ways as a sum of consecutive naturals, for example, 9692288 + ... + 9692361.

It is an arithmetic number, because the mean of its divisors is an integer number (184154175).

Almost surely, 2^717232013 is an apocalyptic number.

It is an amenable number.

717232013 is a deficient number, since it is larger than the sum of its proper divisors (19384687).

717232013 is a wasteful number, since it uses less digits than its factorization.

717232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384686.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 717232013 is about 26781.1876697058. The cubic root of 717232013 is about 895.1309122612.

The spelling of 717232013 in words is "seven hundred seventeen million, two hundred thirty-two thousand, thirteen".