25820048 has 20 divisors (see below), whose sum is σ = 50472588. Its totient is φ = 12794880.

The previous prime is 25820023. The next prime is 25820083. The reversal of 25820048 is 84002852.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 25684624 = 368^2 + 5068^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25820048.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5333 + ... + 8948.

Almost surely, 2^25820048 is an apocalyptic number.

It is an amenable number.

25820048 is a deficient number, since it is larger than the sum of its proper divisors (24652540).

25820048 is a wasteful number, since it uses less digits than its factorization.

25820048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14402 (or 14396 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 25820048 is about 5081.3431295279. The cubic root of 25820048 is about 295.5645532988.

The spelling of 25820048 in words is "twenty-five million, eight hundred twenty thousand, forty-eight".