247424163 has 8 divisors (see below), whose sum is σ = 377027328. Its totient is φ = 141385224.

The previous prime is 247424161. The next prime is 247424173. The reversal of 247424163 is 361424742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247424163 - 2¹ = 247424161 is a prime.

It is a super-2 number, since 2×247424163² = 122437432872501138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (247424161) 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 in 7 ways as a sum of consecutive naturals, for example, 5891031 + ... + 5891072.

It is an arithmetic number, because the mean of its divisors is an integer number (47128416).

Almost surely, 2^247424163 is an apocalyptic number.

247424163 is a deficient number, since it is larger than the sum of its proper divisors (129603165).

247424163 is a wasteful number, since it uses less digits than its factorization.

247424163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782113.

The product of its digits is 32256, while the sum is 33.

The square root of 247424163 is about 15729.7222798116. The cubic root of 247424163 is about 627.7894839514.

The spelling of 247424163 in words is "two hundred forty-seven million, four hundred twenty-four thousand, one hundred sixty-three".