25643348 has 12 divisors (see below), whose sum is σ = 45417120. Its totient is φ = 12667032.

The previous prime is 25643333. The next prime is 25643353. The reversal of 25643348 is 84334652.

It is a congruent number.

It is an unprimeable number.

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, 38288 + ... + 38951.

It is an arithmetic number, because the mean of its divisors is an integer number (3784760).

Almost surely, 2^25643348 is an apocalyptic number.

It is an amenable number.

25643348 is a deficient number, since it is larger than the sum of its proper divisors (19773772).

25643348 is a wasteful number, since it uses less digits than its factorization.

25643348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77326 (or 77324 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 25643348 is about 5063.9261448011. The cubic root of 25643348 is about 294.8887754597. Note that the first 3 decimals are identical.

The spelling of 25643348 in words is "twenty-five million, six hundred forty-three thousand, three hundred forty-eight".