2045331 has 24 divisors (see below), whose sum is σ = 3232320. Its totient is φ = 1288872.

The previous prime is 2045317. The next prime is 2045333. The reversal of 2045331 is 1335402.

It is not a de Polignac number, because 2045331 - 2¹⁴ = 2028947 is a prime.

It is a super-2 number, since 2×2045331² = 8366757799122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2045333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4396 + ... + 4838.

It is an arithmetic number, because the mean of its divisors is an integer number (134680).

2^2045331 is an apocalyptic number.

2045331 is a deficient number, since it is larger than the sum of its proper divisors (1186989).

2045331 is an equidigital number, since it uses as much as digits as its factorization.

2045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2045331 is about 1430.1506913609. The cubic root of 2045331 is about 126.9368938550.

The spelling of 2045331 in words is "two million, forty-five thousand, three hundred thirty-one".