2003565345 has 32 divisors (see below), whose sum is σ = 3398153472. Its totient is φ = 1004562432.

The previous prime is 2003565329. The next prime is 2003565383. The reversal of 2003565345 is 5435653002.

It is not a de Polignac number, because 2003565345 - 2⁴ = 2003565329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246669 + ... + 254661.

It is an arithmetic number, because the mean of its divisors is an integer number (106192296).

Almost surely, 2^2003565345 is an apocalyptic number.

It is an amenable number.

2003565345 is a deficient number, since it is larger than the sum of its proper divisors (1394588127).

2003565345 is a wasteful number, since it uses less digits than its factorization.

2003565345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 2003565345 is about 44761.2035696093. The cubic root of 2003565345 is about 1260.6692809898.

The spelling of 2003565345 in words is "two billion, three million, five hundred sixty-five thousand, three hundred forty-five".