25700448 has 24 divisors (see below), whose sum is σ = 67463928. Its totient is φ = 8566784.

The previous prime is 25700443. The next prime is 25700461. The reversal of 25700448 is 84400752.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25700443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133761 + ... + 133952.

It is an arithmetic number, because the mean of its divisors is an integer number (2810997).

Almost surely, 2^25700448 is an apocalyptic number.

It is an amenable number.

25700448 is an abundant number, since it is smaller than the sum of its proper divisors (41763480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25700448 is a wasteful number, since it uses less digits than its factorization.

25700448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267726 (or 267718 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 25700448 is about 5069.5609277333. The cubic root of 25700448 is about 295.1074893173.

The spelling of 25700448 in words is "twenty-five million, seven hundred thousand, four hundred forty-eight".