85021059 has 8 divisors (see below), whose sum is σ = 113857360. Its totient is φ = 56432736.

The previous prime is 85021051. The next prime is 85021061. The reversal of 85021059 is 95012058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85021059 - 2³ = 85021051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85021051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61192 + ... + 62565.

It is an arithmetic number, because the mean of its divisors is an integer number (14232170).

Almost surely, 2^85021059 is an apocalyptic number.

85021059 is a deficient number, since it is larger than the sum of its proper divisors (28836301).

85021059 is a wasteful number, since it uses less digits than its factorization.

85021059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123989.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 85021059 is about 9220.6864711907. The cubic root of 85021059 is about 439.7192751336.

Subtracting 85021059 from its reverse (95012058), we obtain a palindrome (9990999).

The spelling of 85021059 in words is "eighty-five million, twenty-one thousand, fifty-nine".