5437309 has 2 divisors, whose sum is σ = 5437310. Its totient is φ = 5437308.

The previous prime is 5437303. The next prime is 5437339. The reversal of 5437309 is 9037345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 31684 = 2325^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 5437309 - 2³ = 5437301 is a prime.

It is a super-2 number, since 2×5437309² = 59128658322962, which contains 22 as substring.

It is equal to p₃₇₆₇₆₂ and since 5437309 and 376762 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5437301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718654 + 2718655.

It is an arithmetic number, because the mean of its divisors is an integer number (2718655).

Almost surely, 2^5437309 is an apocalyptic number.

It is an amenable number.

5437309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5437309 is an equidigital number, since it uses as much as digits as its factorization.

5437309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 5437309 is about 2331.8038082137. The cubic root of 5437309 is about 175.8441824252.

The spelling of 5437309 in words is "five million, four hundred thirty-seven thousand, three hundred nine".