26260285 has 4 divisors (see below), whose sum is σ = 31512348. Its totient is φ = 21008224.

The previous prime is 26260279. The next prime is 26260301. The reversal of 26260285 is 58206262.

26260285 = 1616² + 1617² + ... + 1625².

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 7546009 + 18714276 = 2747^2 + 4326^2 .

It is a cyclic number.

It is not a de Polignac number, because 26260285 - 2³ = 26260277 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 2626024 + ... + 2626033.

It is an arithmetic number, because the mean of its divisors is an integer number (7878087).

Almost surely, 2^26260285 is an apocalyptic number.

It is an amenable number.

26260285 is a deficient number, since it is larger than the sum of its proper divisors (5252063).

26260285 is an equidigital number, since it uses as much as digits as its factorization.

26260285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252062.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 26260285 is about 5124.4789979080. The cubic root of 26260285 is about 297.2349073238.

The spelling of 26260285 in words is "twenty-six million, two hundred sixty thousand, two hundred eighty-five".