5250309 has 4 divisors (see below), whose sum is σ = 7000416. Its totient is φ = 3500204.

The previous prime is 5250299. The next prime is 5250317. The reversal of 5250309 is 9030525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5250309 - 2⁵ = 5250277 is a prime.

It is a D-number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250359) 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, 875049 + ... + 875054.

It is an arithmetic number, because the mean of its divisors is an integer number (1750104).

Almost surely, 2^5250309 is an apocalyptic number.

It is an amenable number.

5250309 is a deficient number, since it is larger than the sum of its proper divisors (1750107).

5250309 is a wasteful number, since it uses less digits than its factorization.

5250309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750106.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 5250309 is about 2291.3552758139. The cubic root of 5250309 is about 173.8047419940.

The spelling of 5250309 in words is "five million, two hundred fifty thousand, three hundred nine".