975217 has 2 divisors, whose sum is σ = 975218. Its totient is φ = 975216.

The previous prime is 975199. The next prime is 975257. The reversal of 975217 is 712579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 136161 = 916^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 975217 - 2⁷ = 975089 is a prime.

It is not a weakly prime, because it can be changed into another prime (975257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487608 + 487609.

It is an arithmetic number, because the mean of its divisors is an integer number (487609).

2⁹⁷⁵²¹⁷ is an apocalyptic number.

It is an amenable number.

975217 is a deficient number, since it is larger than the sum of its proper divisors (1).

975217 is an equidigital number, since it uses as much as digits as its factorization.

975217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 31.

The square root of 975217 is about 987.5307590146. The cubic root of 975217 is about 99.1669800459.

It can be divided in two parts, 975 and 217, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 975217 in words is "nine hundred seventy-five thousand, two hundred seventeen".