25530382 has 8 divisors (see below), whose sum is σ = 39616200. Its totient is φ = 12324984.

The previous prime is 25530371. The next prime is 25530383. The reversal of 25530382 is 28303552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25530382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530383) 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, 220032 + ... + 220147.

It is an arithmetic number, because the mean of its divisors is an integer number (4952025).

Almost surely, 2^25530382 is an apocalyptic number.

25530382 is a deficient number, since it is larger than the sum of its proper divisors (14085818).

25530382 is a wasteful number, since it uses less digits than its factorization.

25530382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440210.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25530382 is about 5052.7598399291. The cubic root of 25530382 is about 294.4551159878.

The spelling of 25530382 in words is "twenty-five million, five hundred thirty thousand, three hundred eighty-two".