248966149 has 2 divisors, whose sum is σ = 248966150. Its totient is φ = 248966148.

The previous prime is 248966143. The next prime is 248966183. The reversal of 248966149 is 941669842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 105206049 = 11990^2 + 10257^2 .

It is a cyclic number.

It is not a de Polignac number, because 248966149 - 2⁷ = 248966021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248966143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124483074 + 124483075.

It is an arithmetic number, because the mean of its divisors is an integer number (124483075).

Almost surely, 2^248966149 is an apocalyptic number.

It is an amenable number.

248966149 is a deficient number, since it is larger than the sum of its proper divisors (1).

248966149 is an equidigital number, since it uses as much as digits as its factorization.

248966149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 248966149 is about 15778.6611916221. The cubic root of 248966149 is about 629.0909447302.

The spelling of 248966149 in words is "two hundred forty-eight million, nine hundred sixty-six thousand, one hundred forty-nine".