85018530 has 32 divisors (see below), whose sum is σ = 216048384. Its totient is φ = 21337856.

The previous prime is 85018487. The next prime is 85018541. The reversal of 85018530 is 3581058.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 82842 + ... + 83861.

It is an arithmetic number, because the mean of its divisors is an integer number (6751512).

Almost surely, 2^85018530 is an apocalyptic number.

85018530 is an abundant number, since it is smaller than the sum of its proper divisors (131029854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85018530 is a wasteful number, since it uses less digits than its factorization.

85018530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166730.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 85018530 is about 9220.5493328760. The cubic root of 85018530 is about 439.7149151900.

Adding to 85018530 its reverse (3581058), we get a palindrome (88599588).

The spelling of 85018530 in words is "eighty-five million, eighteen thousand, five hundred thirty".