26261261 has 16 divisors (see below), whose sum is σ = 29272320. Its totient is φ = 23405760.

The previous prime is 26261201. The next prime is 26261273. The reversal of 26261261 is 16216262.

It is a de Polignac number, because none of the positive numbers 2^k-26261261 is a prime.

It is a super-3 number, since 3×26261261³ (a number of 23 digits) contains 333 as substring.

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 26261261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26261201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60716 + ... + 61146.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^26261261 is an apocalyptic number.

It is an amenable number.

26261261 is a deficient number, since it is larger than the sum of its proper divisors (3011059).

26261261 is a wasteful number, since it uses less digits than its factorization.

26261261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 1728, while the sum is 26.

The square root of 26261261 is about 5124.5742262163. The cubic root of 26261261 is about 297.2385896610.

The spelling of 26261261 in words is "twenty-six million, two hundred sixty-one thousand, two hundred sixty-one".