252255520455569 has 2 divisors, whose sum is σ = 252255520455570. Its totient is φ = 252255520455568.

The previous prime is 252255520455541. The next prime is 252255520455593. The reversal of 252255520455569 is 965554025552252.

252255520455569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176176776385600 + 76078744069969 = 13273160^2 + 8722313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252255520455569 is a prime.

It is a super-2 number, since 2×252255520455569² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252255520455529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126127760227784 + 126127760227785.

It is an arithmetic number, because the mean of its divisors is an integer number (126127760227785).

Almost surely, 2^{252255520455569} is an apocalyptic number.

It is an amenable number.

252255520455569 is a deficient number, since it is larger than the sum of its proper divisors (1).

252255520455569 is an equidigital number, since it uses as much as digits as its factorization.

252255520455569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000000, while the sum is 62.

The spelling of 252255520455569 in words is "two hundred fifty-two trillion, two hundred fifty-five billion, five hundred twenty million, four hundred fifty-five thousand, five hundred sixty-nine".