4868509 has 2 divisors, whose sum is σ = 4868510. Its totient is φ = 4868508.

The previous prime is 4868483. The next prime is 4868543. The reversal of 4868509 is 9058684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 521284 = 2085^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 4868509 - 2¹⁷ = 4737437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4868599) 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, 2434254 + 2434255.

It is an arithmetic number, because the mean of its divisors is an integer number (2434255).

Almost surely, 2^4868509 is an apocalyptic number.

It is an amenable number.

4868509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4868509 is an equidigital number, since it uses as much as digits as its factorization.

4868509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4868509 is about 2206.4698049146. The cubic root of 4868509 is about 169.4852828159.

The spelling of 4868509 in words is "four million, eight hundred sixty-eight thousand, five hundred nine".