248563949 has 2 divisors, whose sum is σ = 248563950. Its totient is φ = 248563948.

The previous prime is 248563933. The next prime is 248563961. The reversal of 248563949 is 949365842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248283049 + 280900 = 15757^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 248563949 - 2⁴ = 248563933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248563897 and 248563906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248563979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124281974 + 124281975.

It is an arithmetic number, because the mean of its divisors is an integer number (124281975).

Almost surely, 2^248563949 is an apocalyptic number.

It is an amenable number.

248563949 is a deficient number, since it is larger than the sum of its proper divisors (1).

248563949 is an equidigital number, since it uses as much as digits as its factorization.

248563949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 248563949 is about 15765.9109790713. The cubic root of 248563949 is about 628.7520007262.

The spelling of 248563949 in words is "two hundred forty-eight million, five hundred sixty-three thousand, nine hundred forty-nine".