85510513 has 8 divisors (see below), whose sum is σ = 93844800. Its totient is φ = 77269680.

The previous prime is 85510511. The next prime is 85510519. The reversal of 85510513 is 31501558.

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 85510513 - 2¹ = 85510511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85510511) 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, 21438 + ... + 25111.

It is an arithmetic number, because the mean of its divisors is an integer number (11730600).

Almost surely, 2^85510513 is an apocalyptic number.

It is an amenable number.

85510513 is a deficient number, since it is larger than the sum of its proper divisors (8334287).

85510513 is a wasteful number, since it uses less digits than its factorization.

85510513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46727.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 85510513 is about 9247.1894649131. The cubic root of 85510513 is about 440.5614612738.

The spelling of 85510513 in words is "eighty-five million, five hundred ten thousand, five hundred thirteen".