52209324262517 has 2 divisors, whose sum is σ = 52209324262518. Its totient is φ = 52209324262516.

The previous prime is 52209324262387. The next prime is 52209324262591. The reversal of 52209324262517 is 71526242390225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49688386902001 + 2520937360516 = 7048999^2 + 1587746^2 .

It is a cyclic number.

It is not a de Polignac number, because 52209324262517 - 2²⁰ = 52209323213941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52209324261517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26104662131258 + 26104662131259.

It is an arithmetic number, because the mean of its divisors is an integer number (26104662131259).

Almost surely, 2^{52209324262517} is an apocalyptic number.

It is an amenable number.

52209324262517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52209324262517 is an equidigital number, since it uses as much as digits as its factorization.

52209324262517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 52209324262517 in words is "fifty-two trillion, two hundred nine billion, three hundred twenty-four million, two hundred sixty-two thousand, five hundred seventeen".