26812249 has 4 divisors (see below), whose sum is σ = 28223440. Its totient is φ = 25401060.

The previous prime is 26812217. The next prime is 26812267. The reversal of 26812249 is 94221862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26812249 - 2⁵ = 26812217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26813249) 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, 705567 + ... + 705604.

It is an arithmetic number, because the mean of its divisors is an integer number (7055860).

Almost surely, 2^26812249 is an apocalyptic number.

It is an amenable number.

26812249 is a deficient number, since it is larger than the sum of its proper divisors (1411191).

26812249 is a wasteful number, since it uses less digits than its factorization.

26812249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411190.

The product of its digits is 13824, while the sum is 34.

The square root of 26812249 is about 5178.0545574569. The cubic root of 26812249 is about 299.3030078531.

The spelling of 26812249 in words is "twenty-six million, eight hundred twelve thousand, two hundred forty-nine".