26560261 has 16 divisors (see below), whose sum is σ = 33312384. Its totient is φ = 20614464.

The previous prime is 26560243. The next prime is 26560267. The reversal of 26560261 is 16206562.

It is not a de Polignac number, because 26560261 - 2⁷ = 26560133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26560267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2070 + ... + 7576.

It is an arithmetic number, because the mean of its divisors is an integer number (2082024).

Almost surely, 2^26560261 is an apocalyptic number.

It is an amenable number.

26560261 is a deficient number, since it is larger than the sum of its proper divisors (6752123).

26560261 is a wasteful number, since it uses less digits than its factorization.

26560261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 26560261 is about 5153.6648125387. The cubic root of 26560261 is about 298.3624143459.

The spelling of 26560261 in words is "twenty-six million, five hundred sixty thousand, two hundred sixty-one".