26665241 has 4 divisors (see below), whose sum is σ = 26841984. Its totient is φ = 26488500.

The previous prime is 26665237. The next prime is 26665253. The reversal of 26665241 is 14256662.

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 26665241 - 2² = 26665237 is a prime.

It is a super-2 number, since 2×26665241² = 1422070155176162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26665198 and 26665207.

It is not an unprimeable number, because it can be changed into a prime (26665291) 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, 88145 + ... + 88446.

It is an arithmetic number, because the mean of its divisors is an integer number (6710496).

Almost surely, 2^26665241 is an apocalyptic number.

It is an amenable number.

26665241 is a deficient number, since it is larger than the sum of its proper divisors (176743).

26665241 is a wasteful number, since it uses less digits than its factorization.

26665241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176742.

The product of its digits is 17280, while the sum is 32.

The square root of 26665241 is about 5163.8397535168. The cubic root of 26665241 is about 298.7549921845.

The spelling of 26665241 in words is "twenty-six million, six hundred sixty-five thousand, two hundred forty-one".