52009717 has 2 divisors, whose sum is σ = 52009718. Its totient is φ = 52009716.

The previous prime is 52009687. The next prime is 52009733. The reversal of 52009717 is 71790025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 4137156 = 6919^2 + 2034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52009717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52009787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26004858 + 26004859.

It is an arithmetic number, because the mean of its divisors is an integer number (26004859).

Almost surely, 2^52009717 is an apocalyptic number.

It is an amenable number.

52009717 is a deficient number, since it is larger than the sum of its proper divisors (1).

52009717 is an equidigital number, since it uses as much as digits as its factorization.

52009717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 52009717 is about 7211.7762721815. The cubic root of 52009717 is about 373.2743634715.

The spelling of 52009717 in words is "fifty-two million, nine thousand, seven hundred seventeen".