248020609 has 2 divisors, whose sum is σ = 248020610. Its totient is φ = 248020608.

The previous prime is 248020607. The next prime is 248020613. The reversal of 248020609 is 906020842.

248020609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246647025 + 1373584 = 15705^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 248020609 - 2¹ = 248020607 is a prime.

Together with 248020607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (248020607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124010304 + 124010305.

It is an arithmetic number, because the mean of its divisors is an integer number (124010305).

Almost surely, 2^248020609 is an apocalyptic number.

It is an amenable number.

248020609 is a deficient number, since it is larger than the sum of its proper divisors (1).

248020609 is an equidigital number, since it uses as much as digits as its factorization.

248020609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 248020609 is about 15748.6700708346. The cubic root of 248020609 is about 628.2935334139.

The spelling of 248020609 in words is "two hundred forty-eight million, twenty thousand, six hundred nine".