26564941 has 6 divisors (see below), whose sum is σ = 28765770. Its totient is φ = 24521328.

The previous prime is 26564933. The next prime is 26564947. The reversal of 26564941 is 14946562.

It can be written as a sum of positive squares in 3 ways, for example, as 1225 + 26563716 = 35^2 + 5154^2 .

It is not a de Polignac number, because 26564941 - 2³ = 26564933 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 26564941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26564947) 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 5 ways as a sum of consecutive naturals, for example, 78426 + ... + 78763.

It is an arithmetic number, because the mean of its divisors is an integer number (4794295).

Almost surely, 2^26564941 is an apocalyptic number.

It is an amenable number.

26564941 is a deficient number, since it is larger than the sum of its proper divisors (2200829).

26564941 is a wasteful number, since it uses less digits than its factorization.

26564941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157215 (or 157202 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 26564941 is about 5154.1188383661. The cubic root of 26564941 is about 298.3799374430.

The spelling of 26564941 in words is "twenty-six million, five hundred sixty-four thousand, nine hundred forty-one".