248246321 has 2 divisors, whose sum is σ = 248246322. Its totient is φ = 248246320.

The previous prime is 248246303. The next prime is 248246347. The reversal of 248246321 is 123642842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161010721 + 87235600 = 12689^2 + 9340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248246321 is a prime.

It is not a weakly prime, because it can be changed into another prime (248246371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124123160 + 124123161.

It is an arithmetic number, because the mean of its divisors is an integer number (124123161).

Almost surely, 2^248246321 is an apocalyptic number.

It is an amenable number.

248246321 is a deficient number, since it is larger than the sum of its proper divisors (1).

248246321 is an equidigital number, since it uses as much as digits as its factorization.

248246321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 248246321 is about 15755.8345066201. The cubic root of 248246321 is about 628.4840691831.

The spelling of 248246321 in words is "two hundred forty-eight million, two hundred forty-six thousand, three hundred twenty-one".