25953983 has 16 divisors (see below), whose sum is σ = 29774976. Its totient is φ = 22407840.

The previous prime is 25953973. The next prime is 25953989. The reversal of 25953983 is 38935952.

It is a cyclic number.

It is not a de Polignac number, because 25953983 - 2⁶ = 25953919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25953989) 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, 16760 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (1860936).

Almost surely, 2^25953983 is an apocalyptic number.

25953983 is a deficient number, since it is larger than the sum of its proper divisors (3820993).

25953983 is a wasteful number, since it uses less digits than its factorization.

25953983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574.

The product of its digits is 291600, while the sum is 44.

The square root of 25953983 is about 5094.5051771492. The cubic root of 25953983 is about 296.0747277544.

The spelling of 25953983 in words is "twenty-five million, nine hundred fifty-three thousand, nine hundred eighty-three".