247048049 has 2 divisors, whose sum is σ = 247048050. Its totient is φ = 247048048.

The previous prime is 247048033. The next prime is 247048057. The reversal of 247048049 is 940840742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154753600 + 92294449 = 12440^2 + 9607^2 .

It is a cyclic number.

It is not a de Polignac number, because 247048049 - 2⁴ = 247048033 is a prime.

It is a super-2 number, since 2×247048049² = 122065477029412802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (247048079) 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, 123524024 + 123524025.

It is an arithmetic number, because the mean of its divisors is an integer number (123524025).

Almost surely, 2^247048049 is an apocalyptic number.

It is an amenable number.

247048049 is a deficient number, since it is larger than the sum of its proper divisors (1).

247048049 is an equidigital number, since it uses as much as digits as its factorization.

247048049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 247048049 is about 15717.7622134959. The cubic root of 247048049 is about 627.4712178668.

The spelling of 247048049 in words is "two hundred forty-seven million, forty-eight thousand, forty-nine".