25832287 has 4 divisors (see below), whose sum is σ = 27819400. Its totient is φ = 23845176.

The previous prime is 25832273. The next prime is 25832311. The reversal of 25832287 is 78223852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25832287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25832227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993537 + ... + 993562.

It is an arithmetic number, because the mean of its divisors is an integer number (6954850).

Almost surely, 2^25832287 is an apocalyptic number.

25832287 is a deficient number, since it is larger than the sum of its proper divisors (1987113).

25832287 is a wasteful number, since it uses less digits than its factorization.

25832287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987112.

The product of its digits is 53760, while the sum is 37.

The square root of 25832287 is about 5082.5472944184. The cubic root of 25832287 is about 295.6112462556.

The spelling of 25832287 in words is "twenty-five million, eight hundred thirty-two thousand, two hundred eighty-seven".