25322938973 has 2 divisors, whose sum is σ = 25322938974. Its totient is φ = 25322938972.

The previous prime is 25322938961. The next prime is 25322938987. The reversal of 25322938973 is 37983922352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13526155204 + 11796783769 = 116302^2 + 108613^2 .

It is a cyclic number.

It is not a de Polignac number, because 25322938973 - 2³⁰ = 24249197149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25322938573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661469486 + 12661469487.

It is an arithmetic number, because the mean of its divisors is an integer number (12661469487).

Almost surely, 2^25322938973 is an apocalyptic number.

It is an amenable number.

25322938973 is a deficient number, since it is larger than the sum of its proper divisors (1).

25322938973 is an equidigital number, since it uses as much as digits as its factorization.

25322938973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 53.

The spelling of 25322938973 in words is "twenty-five billion, three hundred twenty-two million, nine hundred thirty-eight thousand, nine hundred seventy-three".