25344442 has 8 divisors (see below), whose sum is σ = 40017600. Its totient is φ = 12005244.

The previous prime is 25344427. The next prime is 25344443. The reversal of 25344442 is 24444352.

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 25344442.

It is not an unprimeable number, because it can be changed into a prime (25344443) 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 3 ways as a sum of consecutive naturals, for example, 333442 + ... + 333517.

It is an arithmetic number, because the mean of its divisors is an integer number (5002200).

Almost surely, 2^25344442 is an apocalyptic number.

25344442 is a deficient number, since it is larger than the sum of its proper divisors (14673158).

25344442 is a wasteful number, since it uses less digits than its factorization.

25344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666980.

The product of its digits is 15360, while the sum is 28.

The square root of 25344442 is about 5034.3263700320. The cubic root of 25344442 is about 293.7385260646.

Adding to 25344442 its reverse (24444352), we get a palindrome (49788794).

The spelling of 25344442 in words is "twenty-five million, three hundred forty-four thousand, four hundred forty-two".