26284505 has 16 divisors (see below), whose sum is σ = 35757120. Its totient is φ = 18387648.

The previous prime is 26284501. The next prime is 26284507. The reversal of 26284505 is 50548262.

26284505 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 26284505 - 2² = 26284501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26284501) 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, 9407 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (2234820).

Almost surely, 2^26284505 is an apocalyptic number.

It is an amenable number.

26284505 is a deficient number, since it is larger than the sum of its proper divisors (9472615).

26284505 is a wasteful number, since it uses less digits than its factorization.

26284505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 26284505 is about 5126.8416203351. The cubic root of 26284505 is about 297.3262596879.

The spelling of 26284505 in words is "twenty-six million, two hundred eighty-four thousand, five hundred five".