26345149 has 4 divisors (see below), whose sum is σ = 26359164. Its totient is φ = 26331136.

The previous prime is 26345141. The next prime is 26345167. The reversal of 26345149 is 94154362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 6604900 = 4443^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 26345149 - 2³ = 26345141 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 (26345141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3652 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (6589791).

Almost surely, 2^26345149 is an apocalyptic number.

It is an amenable number.

26345149 is a deficient number, since it is larger than the sum of its proper divisors (14015).

26345149 is a wasteful number, since it uses less digits than its factorization.

26345149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014.

The product of its digits is 25920, while the sum is 34.

The square root of 26345149 is about 5132.7525753732. The cubic root of 26345149 is about 297.5547492393.

The spelling of 26345149 in words is "twenty-six million, three hundred forty-five thousand, one hundred forty-nine".