248709073 has 2 divisors, whose sum is σ = 248709074. Its totient is φ = 248709072.

The previous prime is 248709059. The next prime is 248709077. The reversal of 248709073 is 370907842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215150224 + 33558849 = 14668^2 + 5793^2 .

It is a cyclic number.

It is not a de Polignac number, because 248709073 - 2²¹ = 246611921 is a prime.

It is not a weakly prime, because it can be changed into another prime (248709077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124354536 + 124354537.

It is an arithmetic number, because the mean of its divisors is an integer number (124354537).

Almost surely, 2^248709073 is an apocalyptic number.

It is an amenable number.

248709073 is a deficient number, since it is larger than the sum of its proper divisors (1).

248709073 is an equidigital number, since it uses as much as digits as its factorization.

248709073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 248709073 is about 15770.5127690890. The cubic root of 248709073 is about 628.8743424861.

The spelling of 248709073 in words is "two hundred forty-eight million, seven hundred nine thousand, seventy-three".