4018247 has 2 divisors, whose sum is σ = 4018248. Its totient is φ = 4018246.

The previous prime is 4018243. The next prime is 4018249. The reversal of 4018247 is 7428104.

4018247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4018247 - 2² = 4018243 is a prime.

It is a super-2 number, since 2×4018247² = 32292617906018, which contains 22 as substring.

Together with 4018249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4018243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009123 + 2009124.

It is an arithmetic number, because the mean of its divisors is an integer number (2009124).

Almost surely, 2^4018247 is an apocalyptic number.

4018247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018247 is an equidigital number, since it uses as much as digits as its factorization.

4018247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4018247 is about 2004.5565594415. The cubic root of 4018247 is about 158.9811166478.

The spelling of 4018247 in words is "four million, eighteen thousand, two hundred forty-seven".