5749409 has 2 divisors, whose sum is σ = 5749410. Its totient is φ = 5749408.

The previous prime is 5749397. The next prime is 5749411. The reversal of 5749409 is 9049475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4528384 + 1221025 = 2128^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 5749409 - 2²⁰ = 4700833 is a prime.

Together with 5749411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5745409) 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 as a sum of consecutive naturals, namely, 2874704 + 2874705.

It is an arithmetic number, because the mean of its divisors is an integer number (2874705).

Almost surely, 2^5749409 is an apocalyptic number.

It is an amenable number.

5749409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5749409 is an equidigital number, since it uses as much as digits as its factorization.

5749409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5749409 is about 2397.7925264710. The cubic root of 5749409 is about 179.1462554237.

The spelling of 5749409 in words is "five million, seven hundred forty-nine thousand, four hundred nine".