4864021 has 2 divisors, whose sum is σ = 4864022. Its totient is φ = 4864020.

The previous prime is 4864009. The next prime is 4864033. The reversal of 4864021 is 1204684.

It is a balanced prime because it is at equal distance from previous prime (4864009) and next prime (4864033).

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 579121 = 2070^2 + 761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4864021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4864051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432010 + 2432011.

It is an arithmetic number, because the mean of its divisors is an integer number (2432011).

Almost surely, 2^4864021 is an apocalyptic number.

It is an amenable number.

4864021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4864021 is an equidigital number, since it uses as much as digits as its factorization.

4864021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4864021 is about 2205.4525612672. The cubic root of 4864021 is about 169.4331872084.

The spelling of 4864021 in words is "four million, eight hundred sixty-four thousand, twenty-one".