25425089 has 2 divisors, whose sum is σ = 25425090. Its totient is φ = 25425088.

The previous prime is 25425079. The next prime is 25425109. The reversal of 25425089 is 98052452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 6589489 = 4340^2 + 2567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25425089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25425079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712544 + 12712545.

It is an arithmetic number, because the mean of its divisors is an integer number (12712545).

Almost surely, 2^25425089 is an apocalyptic number.

It is an amenable number.

25425089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425089 is an equidigital number, since it uses as much as digits as its factorization.

25425089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25425089 is about 5042.3297194848. The cubic root of 25425089 is about 294.0497586504.

The spelling of 25425089 in words is "twenty-five million, four hundred twenty-five thousand, eighty-nine".