25825000189 has 2 divisors, whose sum is σ = 25825000190. Its totient is φ = 25825000188.

The previous prime is 25825000111. The next prime is 25825000193. The reversal of 25825000189 is 98100052852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23248625625 + 2576374564 = 152475^2 + 50758^2 .

It is a cyclic number.

It is not a de Polignac number, because 25825000189 - 2¹⁷ = 25824869117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25825006189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12912500094 + 12912500095.

It is an arithmetic number, because the mean of its divisors is an integer number (12912500095).

Almost surely, 2^25825000189 is an apocalyptic number.

It is an amenable number.

25825000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

25825000189 is an equidigital number, since it uses as much as digits as its factorization.

25825000189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 25825000189 in words is "twenty-five billion, eight hundred twenty-five million, one hundred eighty-nine", and thus it is an aban number.