5966557 has 2 divisors, whose sum is σ = 5966558. Its totient is φ = 5966556.

The previous prime is 5966549. The next prime is 5966561. The reversal of 5966557 is 7556695.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 306916 = 2379^2 + 554^2 .

It is a cyclic number.

It is not a de Polignac number, because 5966557 - 2³ = 5966549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5966537) 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, 2983278 + 2983279.

It is an arithmetic number, because the mean of its divisors is an integer number (2983279).

Almost surely, 2^5966557 is an apocalyptic number.

It is an amenable number.

5966557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5966557 is an equidigital number, since it uses as much as digits as its factorization.

5966557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 43.

The square root of 5966557 is about 2442.6536799145. The cubic root of 5966557 is about 181.3738191603.

The spelling of 5966557 in words is "five million, nine hundred sixty-six thousand, five hundred fifty-seven".