25941589 has 2 divisors, whose sum is σ = 25941590. Its totient is φ = 25941588.

The previous prime is 25941577. The next prime is 25941607. The reversal of 25941589 is 98514952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 33489 = 5090^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 25941589 - 2¹⁵ = 25908821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25941089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970794 + 12970795.

It is an arithmetic number, because the mean of its divisors is an integer number (12970795).

Almost surely, 2^25941589 is an apocalyptic number.

It is an amenable number.

25941589 is a deficient number, since it is larger than the sum of its proper divisors (1).

25941589 is an equidigital number, since it uses as much as digits as its factorization.

25941589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 25941589 is about 5093.2886232767. The cubic root of 25941589 is about 296.0275913226.

The spelling of 25941589 in words is "twenty-five million, nine hundred forty-one thousand, five hundred eighty-nine".