975875917 has 2 divisors, whose sum is σ = 975875918. Its totient is φ = 975875916.

The previous prime is 975875893. The next prime is 975875921. The reversal of 975875917 is 719578579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868421961 + 107453956 = 29469^2 + 10366^2 .

It is a cyclic number.

It is not a de Polignac number, because 975875917 - 2¹¹ = 975873869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975875977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487937958 + 487937959.

It is an arithmetic number, because the mean of its divisors is an integer number (487937959).

Almost surely, 2^975875917 is an apocalyptic number.

It is an amenable number.

975875917 is a deficient number, since it is larger than the sum of its proper divisors (1).

975875917 is an equidigital number, since it uses as much as digits as its factorization.

975875917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5556600, while the sum is 58.

The square root of 975875917 is about 31239.0127404821. The cubic root of 975875917 is about 991.8930946867.

The spelling of 975875917 in words is "nine hundred seventy-five million, eight hundred seventy-five thousand, nine hundred seventeen".