85028597 has 2 divisors, whose sum is σ = 85028598. Its totient is φ = 85028596.

The previous prime is 85028579. The next prime is 85028621. The reversal of 85028597 is 79582058.

Together with previous prime (85028579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73427761 + 11600836 = 8569^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 85028597 - 2⁸ = 85028341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85028557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42514298 + 42514299.

It is an arithmetic number, because the mean of its divisors is an integer number (42514299).

Almost surely, 2^85028597 is an apocalyptic number.

It is an amenable number.

85028597 is a deficient number, since it is larger than the sum of its proper divisors (1).

85028597 is an equidigital number, since it uses as much as digits as its factorization.

85028597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 85028597 is about 9221.0952169468. The cubic root of 85028597 is about 439.7322699766.

The spelling of 85028597 in words is "eighty-five million, twenty-eight thousand, five hundred ninety-seven".