2045529 has 6 divisors (see below), whose sum is σ = 2954666. Its totient is φ = 1363680.

The previous prime is 2045509. The next prime is 2045539. The reversal of 2045529 is 9255402.

It can be written as a sum of positive squares in only one way, i.e., 1625625 + 419904 = 1275^2 + 648^2 .

It is not a de Polignac number, because 2045529 - 2¹² = 2041433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045509) 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 5 ways as a sum of consecutive naturals, for example, 113632 + ... + 113649.

2^2045529 is an apocalyptic number.

It is an amenable number.

2045529 is a deficient number, since it is larger than the sum of its proper divisors (909137).

2045529 is a wasteful number, since it uses less digits than its factorization.

2045529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227287 (or 227284 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2045529 is about 1430.2199131602. The cubic root of 2045529 is about 126.9409898007.

The spelling of 2045529 in words is "two million, forty-five thousand, five hundred twenty-nine".