25735765 has 16 divisors (see below), whose sum is σ = 33794496. Its totient is φ = 18659200.

The previous prime is 25735763. The next prime is 25735771. The reversal of 25735765 is 56753752.

It is not a de Polignac number, because 25735765 - 2¹ = 25735763 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25735763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26529 + ... + 27481.

It is an arithmetic number, because the mean of its divisors is an integer number (2112156).

Almost surely, 2^25735765 is an apocalyptic number.

It is an amenable number.

25735765 is a deficient number, since it is larger than the sum of its proper divisors (8058731).

25735765 is a wasteful number, since it uses less digits than its factorization.

25735765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460.

The product of its digits is 220500, while the sum is 40.

The square root of 25735765 is about 5073.0429724180. The cubic root of 25735765 is about 295.2426042227.

It can be divided in two parts, 2573 and 5765, that added together give a palindrome (8338).

The spelling of 25735765 in words is "twenty-five million, seven hundred thirty-five thousand, seven hundred sixty-five".