85488497 has 2 divisors, whose sum is σ = 85488498. Its totient is φ = 85488496.

The previous prime is 85488479. The next prime is 85488503. The reversal of 85488497 is 79488458.

It is a happy number.

Together with previous prime (85488479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85396081 + 92416 = 9241^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 85488497 - 2²⁶ = 18379633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85488437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42744248 + 42744249.

It is an arithmetic number, because the mean of its divisors is an integer number (42744249).

Almost surely, 2^85488497 is an apocalyptic number.

It is an amenable number.

85488497 is a deficient number, since it is larger than the sum of its proper divisors (1).

85488497 is an equidigital number, since it uses as much as digits as its factorization.

85488497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 53.

The square root of 85488497 is about 9245.9989725286. The cubic root of 85488497 is about 440.5236482482.

The spelling of 85488497 in words is "eighty-five million, four hundred eighty-eight thousand, four hundred ninety-seven".