26533061 has 4 divisors (see below), whose sum is σ = 26670732. Its totient is φ = 26395392.

The previous prime is 26533049. The next prime is 26533069. The reversal of 26533061 is 16033562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16033562 = 2 ⋅8016781.

It can be written as a sum of positive squares in 2 ways, for example, as 8300161 + 18232900 = 2881^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 26533061 - 2⁶ = 26532997 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 26533061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26533069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68546 + ... + 68931.

It is an arithmetic number, because the mean of its divisors is an integer number (6667683).

Almost surely, 2^26533061 is an apocalyptic number.

It is an amenable number.

26533061 is a deficient number, since it is larger than the sum of its proper divisors (137671).

26533061 is a wasteful number, since it uses less digits than its factorization.

26533061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137670.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 26533061 is about 5151.0252377561. The cubic root of 26533061 is about 298.2605299360.

The spelling of 26533061 in words is "twenty-six million, five hundred thirty-three thousand, sixty-one".