26013725 has 24 divisors (see below), whose sum is σ = 34049160. Its totient is φ = 19685120.

The previous prime is 26013719. The next prime is 26013727. The reversal of 26013725 is 52731062.

It can be written as a sum of positive squares in 12 ways, for example, as 75076 + 25938649 = 274^2 + 5093^2 .

It is not a de Polignac number, because 26013725 - 2⁴ = 26013709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26013694 and 26013703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26013727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38087 + ... + 38763.

It is an arithmetic number, because the mean of its divisors is an integer number (1418715).

Almost surely, 2^26013725 is an apocalyptic number.

26013725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26013725 is a deficient number, since it is larger than the sum of its proper divisors (8035435).

26013725 is a wasteful number, since it uses less digits than its factorization.

26013725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 26013725 is about 5100.3651830041. The cubic root of 26013725 is about 296.3017262074.

Adding to 26013725 its reverse (52731062), we get a palindrome (78744787).

The spelling of 26013725 in words is "twenty-six million, thirteen thousand, seven hundred twenty-five".