26211261 has 8 divisors (see below), whose sum is σ = 35042080. Its totient is φ = 17427312.

The previous prime is 26211257. The next prime is 26211277. The reversal of 26211261 is 16211262.

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

It is not a de Polignac number, because 26211261 - 2² = 26211257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26211221) 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, 10390 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (4380260).

Almost surely, 2^26211261 is an apocalyptic number.

It is an amenable number.

26211261 is a deficient number, since it is larger than the sum of its proper divisors (8830819).

26211261 is a wasteful number, since it uses less digits than its factorization.

26211261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23435.

The product of its digits is 288, while the sum is 21.

The square root of 26211261 is about 5119.6934478541. The cubic root of 26211261 is about 297.0498278244.

Subtracting from 26211261 its reverse (16211262), we obtain a palindrome (9999999).

The spelling of 26211261 in words is "twenty-six million, two hundred eleven thousand, two hundred sixty-one".