5200309 has 4 divisors (see below), whose sum is σ = 5379660. Its totient is φ = 5020960.

The previous prime is 5200297. The next prime is 5200331. The reversal of 5200309 is 9030025.

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 2965284 + 2235025 = 1722^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200309 - 2⁹ = 5199797 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 (5200379) 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, 89632 + ... + 89689.

It is an arithmetic number, because the mean of its divisors is an integer number (1344915).

Almost surely, 2^5200309 is an apocalyptic number.

It is an amenable number.

5200309 is a deficient number, since it is larger than the sum of its proper divisors (179351).

5200309 is a wasteful number, since it uses less digits than its factorization.

5200309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179350.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 5200309 is about 2280.4186019238. The cubic root of 5200309 is about 173.2512526397.

It can be divided in two parts, 520030 and 9, that multiplied together give a triangular number (4680270 = T₃₀₅₉).

The spelling of 5200309 in words is "five million, two hundred thousand, three hundred nine".