2043321285 has 16 divisors (see below), whose sum is σ = 3277558656. Its totient is φ = 1087023168.

The previous prime is 2043321281. The next prime is 2043321299. The reversal of 2043321285 is 5821233402.

It is not a de Polignac number, because 2043321285 - 2² = 2043321281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043321281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165609 + ... + 177518.

It is an arithmetic number, because the mean of its divisors is an integer number (204847416).

Almost surely, 2^2043321285 is an apocalyptic number.

It is an amenable number.

2043321285 is a deficient number, since it is larger than the sum of its proper divisors (1234237371).

2043321285 is a wasteful number, since it uses less digits than its factorization.

2043321285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343532.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2043321285 is about 45203.1114526423. Note that the first 3 decimals coincide. The cubic root of 2043321285 is about 1268.9530472996.

Adding to 2043321285 its reverse (5821233402), we get a palindrome (7864554687).

The spelling of 2043321285 in words is "two billion, forty-three million, three hundred twenty-one thousand, two hundred eighty-five".