4556557 has 2 divisors, whose sum is σ = 4556558. Its totient is φ = 4556556.

The previous prime is 4556521. The next prime is 4556579. The reversal of 4556557 is 7556554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4553956 + 2601 = 2134^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556557 - 2¹⁹ = 4032269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4557557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278278 + 2278279.

It is an arithmetic number, because the mean of its divisors is an integer number (2278279).

Almost surely, 2^4556557 is an apocalyptic number.

It is an amenable number.

4556557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556557 is an equidigital number, since it uses as much as digits as its factorization.

4556557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105000, while the sum is 37.

The square root of 4556557 is about 2134.6093319388. The cubic root of 4556557 is about 165.7851408043.

The spelling of 4556557 in words is "four million, five hundred fifty-six thousand, five hundred fifty-seven".