26055261 has 6 divisors (see below), whose sum is σ = 37635390. Its totient is φ = 17370168.

The previous prime is 26055257. The next prime is 26055299. The reversal of 26055261 is 16255062.

26055261 is a `hidden beast` number, since 2 + 605 + 52 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 864900 = 5019^2 + 930^2 .

It is not a de Polignac number, because 26055261 - 2² = 26055257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26055661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1447506 + ... + 1447523.

It is an arithmetic number, because the mean of its divisors is an integer number (6272565).

Almost surely, 2^26055261 is an apocalyptic number.

It is an amenable number.

26055261 is a deficient number, since it is larger than the sum of its proper divisors (11580129).

26055261 is a wasteful number, since it uses less digits than its factorization.

26055261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895035 (or 2895032 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 26055261 is about 5104.4354242169. The cubic root of 26055261 is about 296.4593435681.

The spelling of 26055261 in words is "twenty-six million, fifty-five thousand, two hundred sixty-one".