25235983 has 4 divisors (see below), whose sum is σ = 25246768. Its totient is φ = 25225200.

The previous prime is 25235963. The next prime is 25235989. The reversal of 25235983 is 38953252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25235983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (6311692).

Almost surely, 2^25235983 is an apocalyptic number.

25235983 is a deficient number, since it is larger than the sum of its proper divisors (10785).

25235983 is an equidigital number, since it uses as much as digits as its factorization.

25235983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10784.

The product of its digits is 64800, while the sum is 37.

The square root of 25235983 is about 5023.5428733116. The cubic root of 25235983 is about 293.3189187419.

The spelling of 25235983 in words is "twenty-five million, two hundred thirty-five thousand, nine hundred eighty-three".