25726113 has 32 divisors (see below), whose sum is σ = 44134400. Its totient is φ = 14506128.

The previous prime is 25726111. The next prime is 25726153. The reversal of 25726113 is 31162752.

It is a happy number.

It is not a de Polignac number, because 25726113 - 2¹ = 25726111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25726111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14070 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (1379200).

Almost surely, 2^25726113 is an apocalyptic number.

It is an amenable number.

25726113 is a deficient number, since it is larger than the sum of its proper divisors (18408287).

25726113 is a wasteful number, since it uses less digits than its factorization.

25726113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818 (or 1812 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 25726113 is about 5072.0915804035. The cubic root of 25726113 is about 295.2056901210.

Adding to 25726113 its reverse (31162752), we get a palindrome (56888865).

The spelling of 25726113 in words is "twenty-five million, seven hundred twenty-six thousand, one hundred thirteen".