25283865 has 8 divisors (see below), whose sum is σ = 40454208. Its totient is φ = 13484720.

The previous prime is 25283861. The next prime is 25283873. The reversal of 25283865 is 56838252.

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

It is not a de Polignac number, because 25283865 - 2² = 25283861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25283861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842781 + ... + 842810.

It is an arithmetic number, because the mean of its divisors is an integer number (5056776).

Almost surely, 2^25283865 is an apocalyptic number.

It is an amenable number.

25283865 is a deficient number, since it is larger than the sum of its proper divisors (15170343).

25283865 is a wasteful number, since it uses less digits than its factorization.

25283865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685599.

The product of its digits is 115200, while the sum is 39.

The square root of 25283865 is about 5028.3063749139. The cubic root of 25283865 is about 293.5043130544.

The spelling of 25283865 in words is "twenty-five million, two hundred eighty-three thousand, eight hundred sixty-five".