2018015 has 4 divisors (see below), whose sum is σ = 2421624. Its totient is φ = 1614408.

The previous prime is 2017991. The next prime is 2018021. The reversal of 2018015 is 5108102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2018015 - 2¹⁶ = 1952479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2017984 and 2018002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201797 + ... + 201806.

It is an arithmetic number, because the mean of its divisors is an integer number (605406).

2^2018015 is an apocalyptic number.

2018015 is a deficient number, since it is larger than the sum of its proper divisors (403609).

2018015 is an equidigital number, since it uses as much as digits as its factorization.

2018015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403608.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2018015 is about 1420.5685481525. The cubic root of 2018015 is about 126.3692661150.

The spelling of 2018015 in words is "two million, eighteen thousand, fifteen".