5626309 has 4 divisors (see below), whose sum is σ = 6059116. Its totient is φ = 5193504.

The previous prime is 5626289. The next prime is 5626333. The reversal of 5626309 is 9036265.

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 675684 + 4950625 = 822^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 5626309 - 2⁵ = 5626277 is a prime.

It is a Duffinian number.

5626309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5626339) 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, 216384 + ... + 216409.

It is an arithmetic number, because the mean of its divisors is an integer number (1514779).

Almost surely, 2^5626309 is an apocalyptic number.

It is an amenable number.

5626309 is a deficient number, since it is larger than the sum of its proper divisors (432807).

5626309 is a wasteful number, since it uses less digits than its factorization.

5626309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432806.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 5626309 is about 2371.9841905038. The cubic root of 5626309 is about 177.8584596311.

The spelling of 5626309 in words is "five million, six hundred twenty-six thousand, three hundred nine".