4865309 has 4 divisors (see below), whose sum is σ = 4890204. Its totient is φ = 4840416.

The previous prime is 4865303. The next prime is 4865327. The reversal of 4865309 is 9035684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 178084 = 2165^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4865309 - 2⁴ = 4865293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12152 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (1222551).

Almost surely, 2^4865309 is an apocalyptic number.

It is an amenable number.

4865309 is a deficient number, since it is larger than the sum of its proper divisors (24895).

4865309 is a wasteful number, since it uses less digits than its factorization.

4865309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24894.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4865309 is about 2205.7445454993. The cubic root of 4865309 is about 169.4481412752.

The spelling of 4865309 in words is "four million, eight hundred sixty-five thousand, three hundred nine".