2005515 has 24 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 1042560.

The previous prime is 2005499. The next prime is 2005519. The reversal of 2005515 is 5155002.

It is not a de Polignac number, because 2005515 - 2⁴ = 2005499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1302 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

2^2005515 is an apocalyptic number.

2005515 is a deficient number, since it is larger than the sum of its proper divisors (1558773).

2005515 is a wasteful number, since it uses less digits than its factorization.

2005515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 2005515 is about 1416.1620669966. The cubic root of 2005515 is about 126.1078064488.

The spelling of 2005515 in words is "two million, five thousand, five hundred fifteen".