25782323 has 4 divisors (see below), whose sum is σ = 29465520. Its totient is φ = 22099128.

The previous prime is 25782313. The next prime is 25782343. The reversal of 25782323 is 32328752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25782323 - 2⁴ = 25782307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25782323.

It is not an unprimeable number, because it can be changed into a prime (25782313) 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 3 ways as a sum of consecutive naturals, for example, 1841588 + ... + 1841601.

It is an arithmetic number, because the mean of its divisors is an integer number (7366380).

Almost surely, 2^25782323 is an apocalyptic number.

25782323 is a deficient number, since it is larger than the sum of its proper divisors (3683197).

25782323 is an equidigital number, since it uses as much as digits as its factorization.

25782323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683196.

The product of its digits is 20160, while the sum is 32.

The square root of 25782323 is about 5077.6296635340. The cubic root of 25782323 is about 295.4205359111.

The spelling of 25782323 in words is "twenty-five million, seven hundred eighty-two thousand, three hundred twenty-three".