26853065 has 4 divisors (see below), whose sum is σ = 32223684. Its totient is φ = 21482448.

The previous prime is 26853053. The next prime is 26853067. The reversal of 26853065 is 56035862.

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 5053504 + 21799561 = 2248^2 + 4669^2 .

It is a cyclic number.

It is not a de Polignac number, because 26853065 - 2⁴ = 26853049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26853067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685302 + ... + 2685311.

It is an arithmetic number, because the mean of its divisors is an integer number (8055921).

Almost surely, 2^26853065 is an apocalyptic number.

It is an amenable number.

26853065 is a deficient number, since it is larger than the sum of its proper divisors (5370619).

26853065 is an equidigital number, since it uses as much as digits as its factorization.

26853065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370618.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 26853065 is about 5181.9943072142. The cubic root of 26853065 is about 299.4548061086.

The spelling of 26853065 in words is "twenty-six million, eight hundred fifty-three thousand, sixty-five".