4215863 has 2 divisors, whose sum is σ = 4215864. Its totient is φ = 4215862.

The previous prime is 4215859. The next prime is 4215889. The reversal of 4215863 is 3685124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4215863 - 2² = 4215859 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁶ + 2²¹ + 1 + 5⁵ + 8⁷ + 6⁵ + 3⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4215803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107931 + 2107932.

It is an arithmetic number, because the mean of its divisors is an integer number (2107932).

Almost surely, 2^4215863 is an apocalyptic number.

4215863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215863 is an equidigital number, since it uses as much as digits as its factorization.

4215863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 4215863 is about 2053.2566814697. The cubic root of 4215863 is about 161.5457349536.

The spelling of 4215863 in words is "four million, two hundred fifteen thousand, eight hundred sixty-three".