4140287 has 2 divisors, whose sum is σ = 4140288. Its totient is φ = 4140286.

The previous prime is 4140281. The next prime is 4140361. The reversal of 4140287 is 7820414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4140287 - 2¹² = 4136191 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140281) 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, 2070143 + 2070144.

It is an arithmetic number, because the mean of its divisors is an integer number (2070144).

Almost surely, 2^4140287 is an apocalyptic number.

4140287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140287 is an equidigital number, since it uses as much as digits as its factorization.

4140287 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 4140287 is about 2034.7695201177. The cubic root of 4140287 is about 160.5745877316.

The spelling of 4140287 in words is "four million, one hundred forty thousand, two hundred eighty-seven".