85175297 has 2 divisors, whose sum is σ = 85175298. Its totient is φ = 85175296.

The previous prime is 85175281. The next prime is 85175329. The reversal of 85175297 is 79257158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52867441 + 32307856 = 7271^2 + 5684^2 .

It is a cyclic number.

It is not a de Polignac number, because 85175297 - 2⁴ = 85175281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85175227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42587648 + 42587649.

It is an arithmetic number, because the mean of its divisors is an integer number (42587649).

Almost surely, 2^85175297 is an apocalyptic number.

It is an amenable number.

85175297 is a deficient number, since it is larger than the sum of its proper divisors (1).

85175297 is an equidigital number, since it uses as much as digits as its factorization.

85175297 is an evil number, because the sum of its binary digits is even.

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

The square root of 85175297 is about 9229.0463754388. The cubic root of 85175297 is about 439.9850149855.

The spelling of 85175297 in words is "eighty-five million, one hundred seventy-five thousand, two hundred ninety-seven".