4957549 has 2 divisors, whose sum is σ = 4957550. Its totient is φ = 4957548.

The previous prime is 4957529. The next prime is 4957553. The reversal of 4957549 is 9457594.

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., 4919524 + 38025 = 2218^2 + 195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4957549 is a prime.

4957549 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4957529) 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, 2478774 + 2478775.

It is an arithmetic number, because the mean of its divisors is an integer number (2478775).

Almost surely, 2^4957549 is an apocalyptic number.

It is an amenable number.

4957549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4957549 is an equidigital number, since it uses as much as digits as its factorization.

4957549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 4957549 is about 2226.5554113922. Note that the first 3 decimals coincide. The cubic root of 4957549 is about 170.5122840110.

The spelling of 4957549 in words is "four million, nine hundred fifty-seven thousand, five hundred forty-nine".