85020501 has 8 divisors (see below), whose sum is σ = 113666080. Its totient is φ = 56527632.

The previous prime is 85020499. The next prime is 85020517. The reversal of 85020501 is 10502058.

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

It is not a de Polignac number, because 85020501 - 2¹ = 85020499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85020541) 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 in 7 ways as a sum of consecutive naturals, for example, 36871 + ... + 39108.

It is an arithmetic number, because the mean of its divisors is an integer number (14208260).

Almost surely, 2^85020501 is an apocalyptic number.

It is an amenable number.

85020501 is a deficient number, since it is larger than the sum of its proper divisors (28645579).

85020501 is a wasteful number, since it uses less digits than its factorization.

85020501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76355.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 85020501 is about 9220.6562130903. The cubic root of 85020501 is about 439.7183131606.

Adding to 85020501 its reverse (10502058), we get a palindrome (95522559).

The spelling of 85020501 in words is "eighty-five million, twenty thousand, five hundred one".