26652891 has 4 divisors (see below), whose sum is σ = 35537192. Its totient is φ = 17768592.

The previous prime is 26652869. The next prime is 26652917. The reversal of 26652891 is 19825662.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26652891 - 2¹¹ = 26650843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26652851) 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, 4442146 + ... + 4442151.

It is an arithmetic number, because the mean of its divisors is an integer number (8884298).

Almost surely, 2^26652891 is an apocalyptic number.

26652891 is a deficient number, since it is larger than the sum of its proper divisors (8884301).

26652891 is an equidigital number, since it uses as much as digits as its factorization.

26652891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884300.

The product of its digits is 51840, while the sum is 39.

The square root of 26652891 is about 5162.6437994500. The cubic root of 26652891 is about 298.7088622943.

The spelling of 26652891 in words is "twenty-six million, six hundred fifty-two thousand, eight hundred ninety-one".