248288839 has 2 divisors, whose sum is σ = 248288840. Its totient is φ = 248288838.

The previous prime is 248288797. The next prime is 248288857. The reversal of 248288839 is 938882842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248288839 - 2¹⁹ = 247764551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248288879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124144419 + 124144420.

It is an arithmetic number, because the mean of its divisors is an integer number (124144420).

Almost surely, 2^248288839 is an apocalyptic number.

248288839 is a deficient number, since it is larger than the sum of its proper divisors (1).

248288839 is an equidigital number, since it uses as much as digits as its factorization.

248288839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 52.

The square root of 248288839 is about 15757.1837267959. The cubic root of 248288839 is about 628.5199480098.

The spelling of 248288839 in words is "two hundred forty-eight million, two hundred eighty-eight thousand, eight hundred thirty-nine".