52152184781 has 2 divisors, whose sum is σ = 52152184782. Its totient is φ = 52152184780.

The previous prime is 52152184769. The next prime is 52152184823. The reversal of 52152184781 is 18748125125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52143722500 + 8462281 = 228350^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 52152184781 - 2⁶ = 52152184717 is a prime.

It is a super-2 number, since 2×52152184781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52152184081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26076092390 + 26076092391.

It is an arithmetic number, because the mean of its divisors is an integer number (26076092391).

Almost surely, 2^52152184781 is an apocalyptic number.

It is an amenable number.

52152184781 is a deficient number, since it is larger than the sum of its proper divisors (1).

52152184781 is an equidigital number, since it uses as much as digits as its factorization.

52152184781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 44.

The spelling of 52152184781 in words is "fifty-two billion, one hundred fifty-two million, one hundred eighty-four thousand, seven hundred eighty-one".