26542265 has 4 divisors (see below), whose sum is σ = 31850724. Its totient is φ = 21233808.

The previous prime is 26542261. The next prime is 26542267. The reversal of 26542265 is 56224562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6012304 + 20529961 = 2452^2 + 4531^2 .

It is a cyclic number.

It is not a de Polignac number, because 26542265 - 2² = 26542261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26542261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654222 + ... + 2654231.

It is an arithmetic number, because the mean of its divisors is an integer number (7962681).

Almost surely, 2^26542265 is an apocalyptic number.

It is an amenable number.

26542265 is a deficient number, since it is larger than the sum of its proper divisors (5308459).

26542265 is an equidigital number, since it uses as much as digits as its factorization.

26542265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308458.

The product of its digits is 28800, while the sum is 32.

The square root of 26542265 is about 5151.9185746671. The cubic root of 26542265 is about 298.2950136135.

The spelling of 26542265 in words is "twenty-six million, five hundred forty-two thousand, two hundred sixty-five".