25443148 has 6 divisors (see below), whose sum is σ = 44525516. Its totient is φ = 12721572.

The previous prime is 25443139. The next prime is 25443149. The reversal of 25443148 is 84134452.

It is not an unprimeable number, because it can be changed into a prime (25443149) 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 as a sum of consecutive naturals, namely, 3180390 + ... + 3180397.

Almost surely, 2^25443148 is an apocalyptic number.

It is an amenable number.

25443148 is a deficient number, since it is larger than the sum of its proper divisors (19082368).

25443148 is a wasteful number, since it uses less digits than its factorization.

25443148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360791 (or 6360789 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 25443148 is about 5044.1201413131. The cubic root of 25443148 is about 294.1193616559.

The spelling of 25443148 in words is "twenty-five million, four hundred forty-three thousand, one hundred forty-eight".