85132643 has 2 divisors, whose sum is σ = 85132644. Its totient is φ = 85132642.

The previous prime is 85132601. The next prime is 85132667. The reversal of 85132643 is 34623158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85132643 - 2⁸ = 85132387 is a prime.

It is not a weakly prime, because it can be changed into another prime (85132043) 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, 42566321 + 42566322.

It is an arithmetic number, because the mean of its divisors is an integer number (42566322).

Almost surely, 2^85132643 is an apocalyptic number.

85132643 is a deficient number, since it is larger than the sum of its proper divisors (1).

85132643 is an equidigital number, since it uses as much as digits as its factorization.

85132643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 85132643 is about 9226.7352297549. The cubic root of 85132643 is about 439.9115576370.

The spelling of 85132643 in words is "eighty-five million, one hundred thirty-two thousand, six hundred forty-three".