25567841 has 6 divisors (see below), whose sum is σ = 27686070. Its totient is φ = 23600928.

The previous prime is 25567819. The next prime is 25567849. The reversal of 25567841 is 14876552.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 24750625 = 904^2 + 4975^2 .

It is not a de Polignac number, because 25567841 - 2¹⁸ = 25305697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25567795 and 25567804.

It is not an unprimeable number, because it can be changed into a prime (25567849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75476 + ... + 75813.

It is an arithmetic number, because the mean of its divisors is an integer number (4614345).

Almost surely, 2^25567841 is an apocalyptic number.

It is an amenable number.

25567841 is a deficient number, since it is larger than the sum of its proper divisors (2118229).

25567841 is a wasteful number, since it uses less digits than its factorization.

25567841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151315 (or 151302 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 25567841 is about 5056.4652673582. The cubic root of 25567841 is about 294.5990569606.

The spelling of 25567841 in words is "twenty-five million, five hundred sixty-seven thousand, eight hundred forty-one".