26804153 has 4 divisors (see below), whose sum is σ = 26876388. Its totient is φ = 26731920.

The previous prime is 26804143. The next prime is 26804159. The reversal of 26804153 is 35140862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35140862 = 2 ⋅17570431.

It can be written as a sum of positive squares in 2 ways, for example, as 4826809 + 21977344 = 2197^2 + 4688^2 .

It is a cyclic number.

It is not a de Polignac number, because 26804153 - 2¹⁶ = 26738617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26804159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35558 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (6719097).

Almost surely, 2^26804153 is an apocalyptic number.

It is an amenable number.

26804153 is a deficient number, since it is larger than the sum of its proper divisors (72235).

26804153 is an equidigital number, since it uses as much as digits as its factorization.

26804153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72234.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 26804153 is about 5177.2727376487. The cubic root of 26804153 is about 299.2728798187.

The spelling of 26804153 in words is "twenty-six million, eight hundred four thousand, one hundred fifty-three".