26641281 has 8 divisors (see below), whose sum is σ = 35551744. Its totient is φ = 17745840.

The previous prime is 26641271. The next prime is 26641289. The reversal of 26641281 is 18214662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26641281 - 2⁶ = 26641217 is a prime.

It is a super-2 number, since 2×26641281² = 1419515706641922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26641289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (4443968).

Almost surely, 2^26641281 is an apocalyptic number.

It is an amenable number.

26641281 is a deficient number, since it is larger than the sum of its proper divisors (8910463).

26641281 is a wasteful number, since it uses less digits than its factorization.

26641281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511.

The product of its digits is 4608, while the sum is 30.

The square root of 26641281 is about 5161.5192530882. The cubic root of 26641281 is about 298.6654834657.

The spelling of 26641281 in words is "twenty-six million, six hundred forty-one thousand, two hundred eighty-one".