85018501 has 8 divisors (see below), whose sum is σ = 86822424. Its totient is φ = 83232000.

The previous prime is 85018487. The next prime is 85018541. The reversal of 85018501 is 10581058.

It can be written as a sum of positive squares in 4 ways, for example, as 4198401 + 80820100 = 2049^2 + 8990^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85018501 - 2¹³ = 85010309 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85018501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85018541) 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 in 7 ways as a sum of consecutive naturals, for example, 5751 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (10852803).

Almost surely, 2^85018501 is an apocalyptic number.

It is an amenable number.

85018501 is a deficient number, since it is larger than the sum of its proper divisors (1803923).

85018501 is a wasteful number, since it uses less digits than its factorization.

85018501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 85018501 is about 9220.5477603014. The cubic root of 85018501 is about 439.7148651941.

Adding to 85018501 its reverse (10581058), we get a palindrome (95599559).

The spelling of 85018501 in words is "eighty-five million, eighteen thousand, five hundred one".