52251533622517 has 2 divisors, whose sum is σ = 52251533622518. Its totient is φ = 52251533622516.

The previous prime is 52251533622499. The next prime is 52251533622523. The reversal of 52251533622517 is 71522633515225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47797298046481 + 4454235576036 = 6913559^2 + 2110506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52251533622517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52251533622017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26125766811258 + 26125766811259.

It is an arithmetic number, because the mean of its divisors is an integer number (26125766811259).

Almost surely, 2^{52251533622517} is an apocalyptic number.

It is an amenable number.

52251533622517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52251533622517 is an equidigital number, since it uses as much as digits as its factorization.

52251533622517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780000, while the sum is 49.

The spelling of 52251533622517 in words is "fifty-two trillion, two hundred fifty-one billion, five hundred thirty-three million, six hundred twenty-two thousand, five hundred seventeen".