25825789 has 8 divisors (see below), whose sum is σ = 28220832. Its totient is φ = 23438640.

The previous prime is 25825781. The next prime is 25825799. The reversal of 25825789 is 98752852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25825789 - 2³ = 25825781 is a prime.

It is a super-4 number, since 4×25825789⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25825781) 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 in 7 ways as a sum of consecutive naturals, for example, 6462 + ... + 9664.

It is an arithmetic number, because the mean of its divisors is an integer number (3527604).

Almost surely, 2^25825789 is an apocalyptic number.

It is an amenable number.

25825789 is a deficient number, since it is larger than the sum of its proper divisors (2395043).

25825789 is a wasteful number, since it uses less digits than its factorization.

25825789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its digits is 403200, while the sum is 46.

The square root of 25825789 is about 5081.9080078254. The cubic root of 25825789 is about 295.5864576004.

The spelling of 25825789 in words is "twenty-five million, eight hundred twenty-five thousand, seven hundred eighty-nine".