85282831 has 2 divisors, whose sum is σ = 85282832. Its totient is φ = 85282830.

The previous prime is 85282807. The next prime is 85282853. The reversal of 85282831 is 13828258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85282831 - 2¹⁹ = 84758543 is a prime.

It is a super-2 number, since 2×85282831² = 14546322526749122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85282801) 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, 42641415 + 42641416.

It is an arithmetic number, because the mean of its divisors is an integer number (42641416).

Almost surely, 2^85282831 is an apocalyptic number.

85282831 is a deficient number, since it is larger than the sum of its proper divisors (1).

85282831 is an equidigital number, since it uses as much as digits as its factorization.

85282831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 85282831 is about 9234.8703834975. The cubic root of 85282831 is about 440.1700978016.

The spelling of 85282831 in words is "eighty-five million, two hundred eighty-two thousand, eight hundred thirty-one".