247252183 has 2 divisors, whose sum is σ = 247252184. Its totient is φ = 247252182.

The previous prime is 247252171. The next prime is 247252207. The reversal of 247252183 is 381252742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247252183 is a prime.

It is a super-2 number, since 2×247252183² = 122267283996530978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247252483) 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, 123626091 + 123626092.

It is an arithmetic number, because the mean of its divisors is an integer number (123626092).

Almost surely, 2^247252183 is an apocalyptic number.

247252183 is a deficient number, since it is larger than the sum of its proper divisors (1).

247252183 is an equidigital number, since it uses as much as digits as its factorization.

247252183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 247252183 is about 15724.2546087247. The cubic root of 247252183 is about 627.6439952501.

The spelling of 247252183 in words is "two hundred forty-seven million, two hundred fifty-two thousand, one hundred eighty-three".