25840763 has 16 divisors (see below), whose sum is σ = 29519616. Its totient is φ = 22446720.

The previous prime is 25840757. The next prime is 25840777. The reversal of 25840763 is 36704852.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25840763 - 2⁶ = 25840699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25840723) 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 15 ways as a sum of consecutive naturals, for example, 14045 + ... + 15777.

It is an arithmetic number, because the mean of its divisors is an integer number (1844976).

Almost surely, 2^25840763 is an apocalyptic number.

25840763 is a deficient number, since it is larger than the sum of its proper divisors (3678853).

25840763 is a wasteful number, since it uses less digits than its factorization.

25840763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25840763 is about 5083.3810598852. The cubic root of 25840763 is about 295.6435743640.

The spelling of 25840763 in words is "twenty-five million, eight hundred forty thousand, seven hundred sixty-three".