248725689 has 8 divisors (see below), whose sum is σ = 332956512. Its totient is φ = 165156000.

The previous prime is 248725667. The next prime is 248725723. The reversal of 248725689 is 986527842.

248725689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 248725689 - 2⁹ = 248725177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248725619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164404 + ... + 165909.

It is an arithmetic number, because the mean of its divisors is an integer number (41619564).

Almost surely, 2^248725689 is an apocalyptic number.

It is an amenable number.

248725689 is a deficient number, since it is larger than the sum of its proper divisors (84230823).

248725689 is a wasteful number, since it uses less digits than its factorization.

248725689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330567.

The product of its digits is 1935360, while the sum is 51.

The square root of 248725689 is about 15771.0395662429. The cubic root of 248725689 is about 628.8883469924. Note that the first 3 decimals are identical.

The spelling of 248725689 in words is "two hundred forty-eight million, seven hundred twenty-five thousand, six hundred eighty-nine".