252765012553 has 2 divisors, whose sum is σ = 252765012554. Its totient is φ = 252765012552.

The previous prime is 252765012527. The next prime is 252765012583. The reversal of 252765012553 is 355210567252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238678171209 + 14086841344 = 488547^2 + 118688^2 .

It is a cyclic number.

It is not a de Polignac number, because 252765012553 - 2⁹ = 252765012041 is a prime.

It is not a weakly prime, because it can be changed into another prime (252765012583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126382506276 + 126382506277.

It is an arithmetic number, because the mean of its divisors is an integer number (126382506277).

Almost surely, 2^252765012553 is an apocalyptic number.

It is an amenable number.

252765012553 is a deficient number, since it is larger than the sum of its proper divisors (1).

252765012553 is an equidigital number, since it uses as much as digits as its factorization.

252765012553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 252765012553 in words is "two hundred fifty-two billion, seven hundred sixty-five million, twelve thousand, five hundred fifty-three".