25286825 has 12 divisors (see below), whose sum is σ = 31434000. Its totient is φ = 20178960.

The previous prime is 25286797. The next prime is 25286827. The reversal of 25286825 is 52868252.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25286825 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25286827) 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 11 ways as a sum of consecutive naturals, for example, 11462 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (2619500).

Almost surely, 2^25286825 is an apocalyptic number.

25286825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25286825 is a deficient number, since it is larger than the sum of its proper divisors (6147175).

25286825 is a wasteful number, since it uses less digits than its factorization.

25286825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2531 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 25286825 is about 5028.6006999960. The cubic root of 25286825 is about 293.5157661934.

The spelling of 25286825 in words is "twenty-five million, two hundred eighty-six thousand, eight hundred twenty-five".