85435043 has 2 divisors, whose sum is σ = 85435044. Its totient is φ = 85435042.

The previous prime is 85434997. The next prime is 85435067. The reversal of 85435043 is 34053458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85435043 - 2¹⁶ = 85369507 is a prime.

It is not a weakly prime, because it can be changed into another prime (85435543) 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, 42717521 + 42717522.

It is an arithmetic number, because the mean of its divisors is an integer number (42717522).

Almost surely, 2^85435043 is an apocalyptic number.

85435043 is a deficient number, since it is larger than the sum of its proper divisors (1).

85435043 is an equidigital number, since it uses as much as digits as its factorization.

85435043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 85435043 is about 9243.1078647823. The cubic root of 85435043 is about 440.4318126540.

The spelling of 85435043 in words is "eighty-five million, four hundred thirty-five thousand, forty-three".