25925089 has 2 divisors, whose sum is σ = 25925090. Its totient is φ = 25925088.

The previous prime is 25925057. The next prime is 25925099. The reversal of 25925089 is 98052952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 321489 = 5060^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 25925089 - 2⁵ = 25925057 is a prime.

It is a super-2 number, since 2×25925089² = 1344220479315842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25925099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962544 + 12962545.

It is an arithmetic number, because the mean of its divisors is an integer number (12962545).

Almost surely, 2^25925089 is an apocalyptic number.

It is an amenable number.

25925089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25925089 is an equidigital number, since it uses as much as digits as its factorization.

25925089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 25925089 is about 5091.6685870155. The cubic root of 25925089 is about 295.9648157900.

The spelling of 25925089 in words is "twenty-five million, nine hundred twenty-five thousand, eighty-nine".