25082289 has 12 divisors (see below), whose sum is σ = 36727236. Its totient is φ = 16492032.

The previous prime is 25082279. The next prime is 25082329. The reversal of 25082289 is 98228052.

It can be written as a sum of positive squares in 2 ways, for example, as 6290064 + 18792225 = 2508^2 + 4335^2 .

It is not a de Polignac number, because 25082289 - 2¹¹ = 25080241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25082209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18432 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (3060603).

Almost surely, 2^25082289 is an apocalyptic number.

It is an amenable number.

25082289 is a deficient number, since it is larger than the sum of its proper divisors (11644947).

25082289 is a wasteful number, since it uses less digits than its factorization.

25082289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38256 (or 38253 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25082289 is about 5008.2221396420. Note that the first 3 decimals coincide. The cubic root of 25082289 is about 292.7222417924.

The spelling of 25082289 in words is "twenty-five million, eighty-two thousand, two hundred eighty-nine".