52245512993 has 2 divisors, whose sum is σ = 52245512994. Its totient is φ = 52245512992.

The previous prime is 52245512981. The next prime is 52245513011. The reversal of 52245512993 is 39921554225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44991924769 + 7253588224 = 212113^2 + 85168^2 .

It is a cyclic number.

It is not a de Polignac number, because 52245512993 - 2⁶ = 52245512929 is a prime.

It is not a weakly prime, because it can be changed into another prime (52245517993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26122756496 + 26122756497.

It is an arithmetic number, because the mean of its divisors is an integer number (26122756497).

Almost surely, 2^52245512993 is an apocalyptic number.

It is an amenable number.

52245512993 is a deficient number, since it is larger than the sum of its proper divisors (1).

52245512993 is an equidigital number, since it uses as much as digits as its factorization.

52245512993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 47.

The spelling of 52245512993 in words is "fifty-two billion, two hundred forty-five million, five hundred twelve thousand, nine hundred ninety-three".