26053281 has 24 divisors (see below), whose sum is σ = 39223080. Its totient is φ = 16644096.

The previous prime is 26053259. The next prime is 26053297. The reversal of 26053281 is 18235062.

It can be written as a sum of positive squares in 4 ways, for example, as 18352656 + 7700625 = 4284^2 + 2775^2 .

It is not a de Polignac number, because 26053281 - 2⁵ = 26053249 is a prime.

It is a super-2 number, since 2×26053281² = 1357546901729922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26053201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44865 + ... + 45441.

It is an arithmetic number, because the mean of its divisors is an integer number (1634295).

Almost surely, 2^26053281 is an apocalyptic number.

It is an amenable number.

26053281 is a deficient number, since it is larger than the sum of its proper divisors (13169799).

26053281 is a wasteful number, since it uses less digits than its factorization.

26053281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26053281 is about 5104.2414715607. The cubic root of 26053281 is about 296.4518338324.

It can be divided in two parts, 2605 and 3281, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 26053281 in words is "twenty-six million, fifty-three thousand, two hundred eighty-one".