26365725 has 72 divisors (see below), whose sum is σ = 51271272. Its totient is φ = 12902400.

The previous prime is 26365721. The next prime is 26365733. The reversal of 26365725 is 52756362.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 19027044 + 7338681 = 4362^2 + 2709^2 .

It is not a de Polignac number, because 26365725 - 2² = 26365721 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26365725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26365721) 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 71 ways as a sum of consecutive naturals, for example, 233269 + ... + 233381.

It is an arithmetic number, because the mean of its divisors is an integer number (712101).

Almost surely, 2^26365725 is an apocalyptic number.

26365725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26365725 is the 2745-th nonagonal number.

It is an amenable number.

26365725 is a deficient number, since it is larger than the sum of its proper divisors (24905547).

26365725 is a wasteful number, since it uses less digits than its factorization.

26365725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 199 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 26365725 is about 5134.7565667712. The cubic root of 26365725 is about 297.6321941520.

The spelling of 26365725 in words is "twenty-six million, three hundred sixty-five thousand, seven hundred twenty-five".