248069849 has 2 divisors, whose sum is σ = 248069850. Its totient is φ = 248069848.

The previous prime is 248069779. The next prime is 248069879. The reversal of 248069849 is 948960842.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246019225 + 2050624 = 15685^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 248069849 - 2²⁰ = 247021273 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 248069797 and 248069806.

It is not a weakly prime, because it can be changed into another prime (248069879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124034924 + 124034925.

It is an arithmetic number, because the mean of its divisors is an integer number (124034925).

Almost surely, 2^248069849 is an apocalyptic number.

It is an amenable number.

248069849 is a deficient number, since it is larger than the sum of its proper divisors (1).

248069849 is an equidigital number, since it uses as much as digits as its factorization.

248069849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 248069849 is about 15750.2332998594. The cubic root of 248069849 is about 628.3351094300.

The spelling of 248069849 in words is "two hundred forty-eight million, sixty-nine thousand, eight hundred forty-nine".