52865029588681 has 2 divisors, whose sum is σ = 52865029588682. Its totient is φ = 52865029588680.

The previous prime is 52865029588573. The next prime is 52865029588691. The reversal of 52865029588681 is 18688592056825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52524574843456 + 340454745225 = 7247384^2 + 583485^2 .

It is a cyclic number.

It is not a de Polignac number, because 52865029588681 - 2³⁵ = 52830669850313 is a prime.

It is a super-2 number, since 2×52865029588681² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52865029588691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26432514794340 + 26432514794341.

It is an arithmetic number, because the mean of its divisors is an integer number (26432514794341).

Almost surely, 2^{52865029588681} is an apocalyptic number.

It is an amenable number.

52865029588681 is a deficient number, since it is larger than the sum of its proper divisors (1).

52865029588681 is an equidigital number, since it uses as much as digits as its factorization.

52865029588681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552000, while the sum is 73.

The spelling of 52865029588681 in words is "fifty-two trillion, eight hundred sixty-five billion, twenty-nine million, five hundred eighty-eight thousand, six hundred eighty-one".