25584113873 has 2 divisors, whose sum is σ = 25584113874. Its totient is φ = 25584113872.

The previous prime is 25584113791. The next prime is 25584113923. The reversal of 25584113873 is 37831148552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20686493584 + 4897620289 = 143828^2 + 69983^2 .

It is a cyclic number.

It is not a de Polignac number, because 25584113873 - 2¹⁰ = 25584112849 is a prime.

It is not a weakly prime, because it can be changed into another prime (25584110873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12792056936 + 12792056937.

It is an arithmetic number, because the mean of its divisors is an integer number (12792056937).

Almost surely, 2^25584113873 is an apocalyptic number.

It is an amenable number.

25584113873 is a deficient number, since it is larger than the sum of its proper divisors (1).

25584113873 is an equidigital number, since it uses as much as digits as its factorization.

25584113873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The spelling of 25584113873 in words is "twenty-five billion, five hundred eighty-four million, one hundred thirteen thousand, eight hundred seventy-three".