25882785 has 12 divisors (see below), whose sum is σ = 44863572. Its totient is φ = 13804128.

The previous prime is 25882783. The next prime is 25882793. The reversal of 25882785 is 58728852.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 14653584 = 3351^2 + 3828^2 .

It is not a de Polignac number, because 25882785 - 2¹ = 25882783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 575173 = 25882785 / (2 + 5 + 8 + 8 + 2 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 25882785.

It is not an unprimeable number, because it can be changed into a prime (25882781) 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, 287542 + ... + 287631.

It is an arithmetic number, because the mean of its divisors is an integer number (3738631).

Almost surely, 2^25882785 is an apocalyptic number.

It is an amenable number.

25882785 is a deficient number, since it is larger than the sum of its proper divisors (18980787).

25882785 is a wasteful number, since it uses less digits than its factorization.

25882785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575184 (or 575181 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 25882785 is about 5087.5126535469. The cubic root of 25882785 is about 295.8037451507.

The spelling of 25882785 in words is "twenty-five million, eight hundred eighty-two thousand, seven hundred eighty-five".