975085217 has 2 divisors, whose sum is σ = 975085218. Its totient is φ = 975085216.

The previous prime is 975085213. The next prime is 975085261. The reversal of 975085217 is 712580579.

It is an a-pointer prime, because the next prime (975085261) can be obtained adding 975085217 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871371361 + 103713856 = 29519^2 + 10184^2 .

It is a cyclic number.

It is not a de Polignac number, because 975085217 - 2² = 975085213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (975085211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487542608 + 487542609.

It is an arithmetic number, because the mean of its divisors is an integer number (487542609).

Almost surely, 2^975085217 is an apocalyptic number.

It is an amenable number.

975085217 is a deficient number, since it is larger than the sum of its proper divisors (1).

975085217 is an equidigital number, since it uses as much as digits as its factorization.

975085217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 44.

The square root of 975085217 is about 31226.3545262651. The cubic root of 975085217 is about 991.6251296806.

The spelling of 975085217 in words is "nine hundred seventy-five million, eighty-five thousand, two hundred seventeen".