975857 has 2 divisors, whose sum is σ = 975858. Its totient is φ = 975856.

The previous prime is 975847. The next prime is 975869. The reversal of 975857 is 758579.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 361201 = 784^2 + 601^2 .

It is an emirp because it is prime and its reverse (758579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 975857 - 2¹⁴ = 959473 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 975857.

It is not a weakly prime, because it can be changed into another prime (975827) 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, 487928 + 487929.

It is an arithmetic number, because the mean of its divisors is an integer number (487929).

2⁹⁷⁵⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

975857 is a deficient number, since it is larger than the sum of its proper divisors (1).

975857 is an equidigital number, since it uses as much as digits as its factorization.

975857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 41.

The square root of 975857 is about 987.8547464076. The cubic root of 975857 is about 99.1886685483.

The spelling of 975857 in words is "nine hundred seventy-five thousand, eight hundred fifty-seven".