26530271 has 4 divisors (see below), whose sum is σ = 26621112. Its totient is φ = 26439432.

The previous prime is 26530267. The next prime is 26530279. The reversal of 26530271 is 17203562.

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

It is a cyclic number.

It is not a de Polignac number, because 26530271 - 2² = 26530267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26530271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530279) 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, 44981 + ... + 45566.

It is an arithmetic number, because the mean of its divisors is an integer number (6655278).

Almost surely, 2^26530271 is an apocalyptic number.

26530271 is a deficient number, since it is larger than the sum of its proper divisors (90841).

26530271 is an equidigital number, since it uses as much as digits as its factorization.

26530271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90840.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 26530271 is about 5150.7544107635. The cubic root of 26530271 is about 298.2500753557.

The spelling of 26530271 in words is "twenty-six million, five hundred thirty thousand, two hundred seventy-one".