2045530 has 16 divisors (see below), whose sum is σ = 3745440. Its totient is φ = 804112.

The previous prime is 2045509. The next prime is 2045539. The reversal of 2045530 is 355402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2045498 and 2045507.

It is not an unprimeable number, because it can be changed into a prime (2045539) 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 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (234090).

2^2045530 is an apocalyptic number.

2045530 is a deficient number, since it is larger than the sum of its proper divisors (1699910).

2045530 is a wasteful number, since it uses less digits than its factorization.

2045530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2045530 is about 1430.2202627568. The cubic root of 2045530 is about 126.9410104866.

The spelling of 2045530 in words is "two million, forty-five thousand, five hundred thirty".