85070563 has 2 divisors, whose sum is σ = 85070564. Its totient is φ = 85070562.

The previous prime is 85070549. The next prime is 85070617. The reversal of 85070563 is 36507058.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85070563 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (85070663) 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, 42535281 + 42535282.

It is an arithmetic number, because the mean of its divisors is an integer number (42535282).

Almost surely, 2^85070563 is an apocalyptic number.

85070563 is a deficient number, since it is larger than the sum of its proper divisors (1).

85070563 is an equidigital number, since it uses as much as digits as its factorization.

85070563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 85070563 is about 9223.3704793855. The cubic root of 85070563 is about 439.8046015998.

The spelling of 85070563 in words is "eighty-five million, seventy thousand, five hundred sixty-three".