5647409 has 2 divisors, whose sum is σ = 5647410. Its totient is φ = 5647408.

The previous prime is 5647361. The next prime is 5647457. The reversal of 5647409 is 9047465.

It is a balanced prime because it is at equal distance from previous prime (5647361) and next prime (5647457).

It can be written as a sum of positive squares in only one way, i.e., 5626384 + 21025 = 2372^2 + 145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5647409 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5647909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823704 + 2823705.

It is an arithmetic number, because the mean of its divisors is an integer number (2823705).

Almost surely, 2^5647409 is an apocalyptic number.

It is an amenable number.

5647409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647409 is an equidigital number, since it uses as much as digits as its factorization.

5647409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5647409 is about 2376.4277813559. The cubic root of 5647409 is about 178.0805194772.

The spelling of 5647409 in words is "five million, six hundred forty-seven thousand, four hundred nine".