968557 has 2 divisors, whose sum is σ = 968558. Its totient is φ = 968556.

The previous prime is 968537. The next prime is 968567. The reversal of 968557 is 755869.

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., 948676 + 19881 = 974^2 + 141^2 .

It is an emirp because it is prime and its reverse (755869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 968557 - 2¹¹ = 966509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968537) 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, 484278 + 484279.

It is an arithmetic number, because the mean of its divisors is an integer number (484279).

2⁹⁶⁸⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

968557 is a deficient number, since it is larger than the sum of its proper divisors (1).

968557 is an equidigital number, since it uses as much as digits as its factorization.

968557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 968557 is about 984.1529352697. The cubic root of 968557 is about 98.9407188544.

The spelling of 968557 in words is "nine hundred sixty-eight thousand, five hundred fifty-seven".