2081575 has 12 divisors (see below), whose sum is σ = 2631528. Its totient is φ = 1632800.

The previous prime is 2081561. The next prime is 2081581. The reversal of 2081575 is 5751802.

2081575 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 2081575 - 2¹⁹ = 1557287 is a prime.

It is a Duffinian number.

2081575 is a lucky 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 11 ways as a sum of consecutive naturals, for example, 540 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (219294).

2^2081575 is an apocalyptic number.

2081575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2081575 is a deficient number, since it is larger than the sum of its proper divisors (549953).

2081575 is a wasteful number, since it uses less digits than its factorization.

2081575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2081575 is about 1442.7664398647. The cubic root of 2081575 is about 127.6822972210.

The spelling of 2081575 in words is "two million, eighty-one thousand, five hundred seventy-five".