5423549 has 2 divisors, whose sum is σ = 5423550. Its totient is φ = 5423548.

The previous prime is 5423533. The next prime is 5423557. The reversal of 5423549 is 9453245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 2617924 = 1675^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423549 - 2⁴ = 5423533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5423519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711774 + 2711775.

It is an arithmetic number, because the mean of its divisors is an integer number (2711775).

Almost surely, 2^5423549 is an apocalyptic number.

It is an amenable number.

5423549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423549 is an equidigital number, since it uses as much as digits as its factorization.

5423549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 5423549 is about 2328.8514336471. The cubic root of 5423549 is about 175.6957229634.

The spelling of 5423549 in words is "five million, four hundred twenty-three thousand, five hundred forty-nine".