26243285 has 8 divisors (see below), whose sum is σ = 31519800. Its totient is φ = 20976064.

The previous prime is 26243251. The next prime is 26243293. The reversal of 26243285 is 58234262.

It can be written as a sum of positive squares in 4 ways, for example, as 4778596 + 21464689 = 2186^2 + 4633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26243285 - 2²⁴ = 9466069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8399 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (3939975).

Almost surely, 2^26243285 is an apocalyptic number.

It is an amenable number.

26243285 is a deficient number, since it is larger than the sum of its proper divisors (5276515).

26243285 is a wasteful number, since it uses less digits than its factorization.

26243285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647.

The product of its digits is 23040, while the sum is 32.

The square root of 26243285 is about 5122.8200241664. The cubic root of 26243285 is about 297.1707536129.

The spelling of 26243285 in words is "twenty-six million, two hundred forty-three thousand, two hundred eighty-five".