5697309 has 8 divisors (see below), whose sum is σ = 7672032. Its totient is φ = 3760400.

The previous prime is 5697301. The next prime is 5697317. The reversal of 5697309 is 9037965.

It is an interprime number because it is at equal distance from previous prime (5697301) and next prime (5697317).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5697309 - 2³ = 5697301 is a prime.

It is a Curzon number.

5697309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5697301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9099 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (959004).

Almost surely, 2^5697309 is an apocalyptic number.

It is an amenable number.

5697309 is a deficient number, since it is larger than the sum of its proper divisors (1974723).

5697309 is a wasteful number, since it uses less digits than its factorization.

5697309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18907.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 5697309 is about 2386.9036427975. The cubic root of 5697309 is about 178.6034833732.

It can be divided in two parts, 5697 and 309, that added together give a palindrome (6006).

The spelling of 5697309 in words is "five million, six hundred ninety-seven thousand, three hundred nine".