253501525073 has 2 divisors, whose sum is σ = 253501525074. Its totient is φ = 253501525072.

The previous prime is 253501525009. The next prime is 253501525093. The reversal of 253501525073 is 370525105352.

It is a happy number.

253501525073 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., 199931496769 + 53570028304 = 447137^2 + 231452^2 .

It is a cyclic number.

It is not a de Polignac number, because 253501525073 - 2⁶ = 253501525009 is a prime.

It is not a weakly prime, because it can be changed into another prime (253501525093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750762536 + 126750762537.

It is an arithmetic number, because the mean of its divisors is an integer number (126750762537).

Almost surely, 2^253501525073 is an apocalyptic number.

It is an amenable number.

253501525073 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501525073 is an equidigital number, since it uses as much as digits as its factorization.

253501525073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 253501525073 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, seventy-three".