25244720325073 has 2 divisors, whose sum is σ = 25244720325074. Its totient is φ = 25244720325072.

The previous prime is 25244720325059. The next prime is 25244720325103. The reversal of 25244720325073 is 37052302744252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25179852310209 + 64868014864 = 5017953^2 + 254692^2 .

It is a cyclic number.

It is not a de Polignac number, because 25244720325073 - 2²¹ = 25244718227921 is a prime.

It is not a weakly prime, because it can be changed into another prime (25244720325973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622360162536 + 12622360162537.

It is an arithmetic number, because the mean of its divisors is an integer number (12622360162537).

Almost surely, 2^{25244720325073} is an apocalyptic number.

It is an amenable number.

25244720325073 is a deficient number, since it is larger than the sum of its proper divisors (1).

25244720325073 is an equidigital number, since it uses as much as digits as its factorization.

25244720325073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 46.

The spelling of 25244720325073 in words is "twenty-five trillion, two hundred forty-four billion, seven hundred twenty million, three hundred twenty-five thousand, seventy-three".