248782289 has 8 divisors (see below), whose sum is σ = 284424960. Its totient is φ = 213165216.

The previous prime is 248782279. The next prime is 248782307. The reversal of 248782289 is 982287842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248782289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248782249) 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, 24197 + ... + 32909.

It is an arithmetic number, because the mean of its divisors is an integer number (35553120).

Almost surely, 2^248782289 is an apocalyptic number.

It is an amenable number.

248782289 is a deficient number, since it is larger than the sum of its proper divisors (35642671).

248782289 is an equidigital number, since it uses as much as digits as its factorization.

248782289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799.

The product of its digits is 1032192, while the sum is 50.

The square root of 248782289 is about 15772.8338924874. The cubic root of 248782289 is about 628.9360466369.

The spelling of 248782289 in words is "two hundred forty-eight million, seven hundred eighty-two thousand, two hundred eighty-nine".