248091859 has 2 divisors, whose sum is σ = 248091860. Its totient is φ = 248091858.

The previous prime is 248091847. The next prime is 248091881. The reversal of 248091859 is 958190842.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248091859 is a prime.

It is not a weakly prime, because it can be changed into another prime (248091889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124045929 + 124045930.

It is an arithmetic number, because the mean of its divisors is an integer number (124045930).

Almost surely, 2^248091859 is an apocalyptic number.

248091859 is a deficient number, since it is larger than the sum of its proper divisors (1).

248091859 is an equidigital number, since it uses as much as digits as its factorization.

248091859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 248091859 is about 15750.9320041704. The cubic root of 248091859 is about 628.3536918935.

The spelling of 248091859 in words is "two hundred forty-eight million, ninety-one thousand, eight hundred fifty-nine".