26043161 has 4 divisors (see below), whose sum is σ = 26110500. Its totient is φ = 25975824.

The previous prime is 26043151. The next prime is 26043169. The reversal of 26043161 is 16134062.

It is a happy number.

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 16556761 + 9486400 = 4069^2 + 3080^2 .

It is a cyclic number.

It is not a de Polignac number, because 26043161 - 2²² = 21848857 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 (26043169) 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, 33086 + ... + 33863.

It is an arithmetic number, because the mean of its divisors is an integer number (6527625).

Almost surely, 2^26043161 is an apocalyptic number.

It is an amenable number.

26043161 is a deficient number, since it is larger than the sum of its proper divisors (67339).

26043161 is an equidigital number, since it uses as much as digits as its factorization.

26043161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67338.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26043161 is about 5103.2500428648. The cubic root of 26043161 is about 296.4134447956.

Subtracting from 26043161 its reverse (16134062), we obtain a palindrome (9909099).

The spelling of 26043161 in words is "twenty-six million, forty-three thousand, one hundred sixty-one".