717606541 has 2 divisors, whose sum is σ = 717606542. Its totient is φ = 717606540.

The previous prime is 717606529. The next prime is 717606553. The reversal of 717606541 is 145606717.

It is a balanced prime because it is at equal distance from previous prime (717606529) and next prime (717606553).

It can be written as a sum of positive squares in only one way, i.e., 632321316 + 85285225 = 25146^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 717606541 - 2⁷ = 717606413 is a prime.

It is a super-3 number, since 3×717606541³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 717606541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717604541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358803270 + 358803271.

It is an arithmetic number, because the mean of its divisors is an integer number (358803271).

Almost surely, 2^717606541 is an apocalyptic number.

It is an amenable number.

717606541 is a deficient number, since it is larger than the sum of its proper divisors (1).

717606541 is an equidigital number, since it uses as much as digits as its factorization.

717606541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 717606541 is about 26788.1791281154. The cubic root of 717606541 is about 895.2866932111.

The spelling of 717606541 in words is "seven hundred seventeen million, six hundred six thousand, five hundred forty-one".