26045161 has 4 divisors (see below), whose sum is σ = 26943300. Its totient is φ = 25147024.

The previous prime is 26045147. The next prime is 26045167. The reversal of 26045161 is 16154062.

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 5433561 + 20611600 = 2331^2 + 4540^2 .

It is a cyclic number.

It is not a de Polignac number, because 26045161 - 2¹⁷ = 25914089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26045167) 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, 449026 + ... + 449083.

It is an arithmetic number, because the mean of its divisors is an integer number (6735825).

Almost surely, 2^26045161 is an apocalyptic number.

It is an amenable number.

26045161 is a deficient number, since it is larger than the sum of its proper divisors (898139).

26045161 is an equidigital number, since it uses as much as digits as its factorization.

26045161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898138.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26045161 is about 5103.4459926603. The cubic root of 26045161 is about 296.4210323501.

The spelling of 26045161 in words is "twenty-six million, forty-five thousand, one hundred sixty-one".