248105239 has 12 divisors (see below), whose sum is σ = 259259448. Its totient is φ = 237362400.

The previous prime is 248105233. The next prime is 248105269. The reversal of 248105239 is 932501842.

It is not a de Polignac number, because 248105239 - 2⁷ = 248105111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248105233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82024 + ... + 84994.

It is an arithmetic number, because the mean of its divisors is an integer number (21604954).

Almost surely, 2^248105239 is an apocalyptic number.

248105239 is a deficient number, since it is larger than the sum of its proper divisors (11154209).

248105239 is an equidigital number, since it uses as much as digits as its factorization.

248105239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 248105239 is about 15751.3567352149. The cubic root of 248105239 is about 628.3649877381.

The spelling of 248105239 in words is "two hundred forty-eight million, one hundred five thousand, two hundred thirty-nine".