25448330 has 8 divisors (see below), whose sum is σ = 45807012. Its totient is φ = 10179328.

The previous prime is 25448329. The next prime is 25448333. The reversal of 25448330 is 3384452.

It can be written as a sum of positive squares in 2 ways, for example, as 24990001 + 458329 = 4999^2 + 677^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25448293 and 25448302.

It is not an unprimeable number, because it can be changed into a prime (25448333) 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, 1272407 + ... + 1272426.

Almost surely, 2^25448330 is an apocalyptic number.

25448330 is a deficient number, since it is larger than the sum of its proper divisors (20358682).

25448330 is a wasteful number, since it uses less digits than its factorization.

25448330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544840.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 25448330 is about 5044.6337825456. The cubic root of 25448330 is about 294.1393280410.

It can be divided in two parts, 254 and 48330, that added together give a palindrome (48584).

The spelling of 25448330 in words is "twenty-five million, four hundred forty-eight thousand, three hundred thirty".