26047291 has 4 divisors (see below), whose sum is σ = 26277912. Its totient is φ = 25816672.

The previous prime is 26047289. The next prime is 26047337. The reversal of 26047291 is 19274062.

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 26047291 - 2¹ = 26047289 is a prime.

It is a super-2 number, since 2×26047291² = 1356922736877362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26047391) 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, 115141 + ... + 115366.

It is an arithmetic number, because the mean of its divisors is an integer number (6569478).

Almost surely, 2^26047291 is an apocalyptic number.

26047291 is a deficient number, since it is larger than the sum of its proper divisors (230621).

26047291 is a wasteful number, since it uses less digits than its factorization.

26047291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230620.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 26047291 is about 5103.6546709197. The cubic root of 26047291 is about 296.4291126686.

The spelling of 26047291 in words is "twenty-six million, forty-seven thousand, two hundred ninety-one".