247094849 has 2 divisors, whose sum is σ = 247094850. Its totient is φ = 247094848.

The previous prime is 247094833. The next prime is 247094863. The reversal of 247094849 is 948490742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167314225 + 79780624 = 12935^2 + 8932^2 .

It is a cyclic number.

It is not a de Polignac number, because 247094849 - 2⁴ = 247094833 is a prime.

It is a super-2 number, since 2×247094849² = 122111728804665602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (247090849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123547424 + 123547425.

It is an arithmetic number, because the mean of its divisors is an integer number (123547425).

Almost surely, 2^247094849 is an apocalyptic number.

It is an amenable number.

247094849 is a deficient number, since it is larger than the sum of its proper divisors (1).

247094849 is an equidigital number, since it uses as much as digits as its factorization.

247094849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 247094849 is about 15719.2509045438. The cubic root of 247094849 is about 627.5108374186.

The spelling of 247094849 in words is "two hundred forty-seven million, ninety-four thousand, eight hundred forty-nine".