26807261 has 8 divisors (see below), whose sum is σ = 28923384. Its totient is φ = 24698880.

The previous prime is 26807227. The next prime is 26807269. The reversal of 26807261 is 16270862.

It can be written as a sum of positive squares in 4 ways, for example, as 10201636 + 16605625 = 3194^2 + 4075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26807261 - 2⁶ = 26807197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26807269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6725 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (3615423).

Almost surely, 2^26807261 is an apocalyptic number.

It is an amenable number.

26807261 is a deficient number, since it is larger than the sum of its proper divisors (2116123).

26807261 is a wasteful number, since it uses less digits than its factorization.

26807261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 26807261 is about 5177.5728869809. The cubic root of 26807261 is about 299.2844464860.

The spelling of 26807261 in words is "twenty-six million, eight hundred seven thousand, two hundred sixty-one".