248242949 has 2 divisors, whose sum is σ = 248242950. Its totient is φ = 248242948.

The previous prime is 248242927. The next prime is 248242991. The reversal of 248242949 is 949242842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246333025 + 1909924 = 15695^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 248242949 - 2⁸ = 248242693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248242549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124121474 + 124121475.

It is an arithmetic number, because the mean of its divisors is an integer number (124121475).

Almost surely, 2^248242949 is an apocalyptic number.

It is an amenable number.

248242949 is a deficient number, since it is larger than the sum of its proper divisors (1).

248242949 is an equidigital number, since it uses as much as digits as its factorization.

248242949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The square root of 248242949 is about 15755.7274982782. The cubic root of 248242949 is about 628.4812235446.

The spelling of 248242949 in words is "two hundred forty-eight million, two hundred forty-two thousand, nine hundred forty-nine".