248330389 has 2 divisors, whose sum is σ = 248330390. Its totient is φ = 248330388.

The previous prime is 248330363. The next prime is 248330477. The reversal of 248330389 is 983033842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199092100 + 49238289 = 14110^2 + 7017^2 .

It is a cyclic number.

It is not a de Polignac number, because 248330389 - 2⁷ = 248330261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248331389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124165194 + 124165195.

It is an arithmetic number, because the mean of its divisors is an integer number (124165195).

Almost surely, 2^248330389 is an apocalyptic number.

It is an amenable number.

248330389 is a deficient number, since it is larger than the sum of its proper divisors (1).

248330389 is an equidigital number, since it uses as much as digits as its factorization.

248330389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 248330389 is about 15758.5021179045. The cubic root of 248330389 is about 628.5550060325. Note that the first 3 decimals are identical.

The spelling of 248330389 in words is "two hundred forty-eight million, three hundred thirty thousand, three hundred eighty-nine".