5872309 has 4 divisors (see below), whose sum is σ = 5938380. Its totient is φ = 5806240.

The previous prime is 5872303. The next prime is 5872313. The reversal of 5872309 is 9032785.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9032785 = 5 ⋅1806557.

It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 2965284 = 1705^2 + 1722^2 .

It is a cyclic number.

It is not a de Polignac number, because 5872309 - 2⁹ = 5871797 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5872303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32902 + ... + 33079.

It is an arithmetic number, because the mean of its divisors is an integer number (1484595).

Almost surely, 2^5872309 is an apocalyptic number.

It is an amenable number.

5872309 is a deficient number, since it is larger than the sum of its proper divisors (66071).

5872309 is an equidigital number, since it uses as much as digits as its factorization.

5872309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66070.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5872309 is about 2423.2847542128. The cubic root of 5872309 is about 180.4137498677.

The spelling of 5872309 in words is "five million, eight hundred seventy-two thousand, three hundred nine".