85015 has 12 divisors (see below), whose sum is σ = 119016. Its totient is φ = 58128.
The previous prime is 85009. The next prime is 85021. The reversal of 85015 is 51058.
It is an interprime number because it is at equal distance from previous prime (85009) and next prime (85021).
It is not a de Polignac number, because 85015 - 29 = 84503 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 84983 and 85001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 418.
It is an arithmetic number, because the mean of its divisors is an integer number (9918).
285015 is an apocalyptic number.
85015 is a deficient number, since it is larger than the sum of its proper divisors (34001).
85015 is a wasteful number, since it uses less digits than its factorization.
85015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366 (or 359 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 85015 is about 291.5733183952. The cubic root of 85015 is about 43.9708829399.
The spelling of 85015 in words is "eighty-five thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •