25756085 has 4 divisors (see below), whose sum is σ = 30907308. Its totient is φ = 20604864.

The previous prime is 25756057. The next prime is 25756099. The reversal of 25756085 is 58065752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 16982641 = 2962^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 25756085 - 2¹⁰ = 25755061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575604 + ... + 2575613.

It is an arithmetic number, because the mean of its divisors is an integer number (7726827).

Almost surely, 2^25756085 is an apocalyptic number.

It is an amenable number.

25756085 is a deficient number, since it is larger than the sum of its proper divisors (5151223).

25756085 is an equidigital number, since it uses as much as digits as its factorization.

25756085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151222.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 25756085 is about 5075.0453199947. The cubic root of 25756085 is about 295.3202879631.

The spelling of 25756085 in words is "twenty-five million, seven hundred fifty-six thousand, eighty-five".