25822489 has 24 divisors (see below), whose sum is σ = 33239360. Its totient is φ = 19625760.

The previous prime is 25822483. The next prime is 25822523. The reversal of 25822489 is 98422852.

It is a happy number.

It is not a de Polignac number, because 25822489 - 2⁵ = 25822457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25822483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36067 + ... + 36775.

Almost surely, 2^25822489 is an apocalyptic number.

It is an amenable number.

25822489 is a deficient number, since it is larger than the sum of its proper divisors (7416871).

25822489 is a wasteful number, since it uses less digits than its factorization.

25822489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 770 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 25822489 is about 5081.5833162509. The cubic root of 25822489 is about 295.5738671253.

The spelling of 25822489 in words is "twenty-five million, eight hundred twenty-two thousand, four hundred eighty-nine".