975638317 has 2 divisors, whose sum is σ = 975638318. Its totient is φ = 975638316.

The previous prime is 975638299. The next prime is 975638333. The reversal of 975638317 is 713836579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886788841 + 88849476 = 29779^2 + 9426^2 .

It is a cyclic number.

It is not a de Polignac number, because 975638317 - 2¹¹ = 975636269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975638017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487819158 + 487819159.

It is an arithmetic number, because the mean of its divisors is an integer number (487819159).

Almost surely, 2^975638317 is an apocalyptic number.

It is an amenable number.

975638317 is a deficient number, since it is larger than the sum of its proper divisors (1).

975638317 is an equidigital number, since it uses as much as digits as its factorization.

975638317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 975638317 is about 31235.2095718918. The cubic root of 975638317 is about 991.8125882328.

The spelling of 975638317 in words is "nine hundred seventy-five million, six hundred thirty-eight thousand, three hundred seventeen".