85282513 has 2 divisors, whose sum is σ = 85282514. Its totient is φ = 85282512.

The previous prime is 85282511. The next prime is 85282517. The reversal of 85282513 is 31528258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75220929 + 10061584 = 8673^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 85282513 - 2¹ = 85282511 is a prime.

Together with 85282511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (85282511) 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, 42641256 + 42641257.

It is an arithmetic number, because the mean of its divisors is an integer number (42641257).

Almost surely, 2^85282513 is an apocalyptic number.

It is an amenable number.

85282513 is a deficient number, since it is larger than the sum of its proper divisors (1).

85282513 is an equidigital number, since it uses as much as digits as its factorization.

85282513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 85282513 is about 9234.8531661310. The cubic root of 85282513 is about 440.1695507033.

The spelling of 85282513 in words is "eighty-five million, two hundred eighty-two thousand, five hundred thirteen".