2015485 has 4 divisors (see below), whose sum is σ = 2418588. Its totient is φ = 1612384.

The previous prime is 2015473. The next prime is 2015491. The reversal of 2015485 is 5845102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5845102 = 2 ⋅2922551.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 1194649 = 906^2 + 1093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201544 + ... + 201553.

It is an arithmetic number, because the mean of its divisors is an integer number (604647).

2^2015485 is an apocalyptic number.

It is an amenable number.

2015485 is a deficient number, since it is larger than the sum of its proper divisors (403103).

2015485 is an equidigital number, since it uses as much as digits as its factorization.

2015485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403102.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2015485 is about 1419.6777803431. The cubic root of 2015485 is about 126.3164340093.

It can be divided in two parts, 2015 and 485, that added together give a square (2500 = 50²).

The spelling of 2015485 in words is "two million, fifteen thousand, four hundred eighty-five".