2321530532 has 12 divisors (see below), whose sum is σ = 4065914160. Its totient is φ = 1159840776.

The previous prime is 2321530531. The next prime is 2321530567. The reversal of 2321530532 is 2350351232.

It is a super-2 number, since 2×2321530532² = 10779008022016406048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2321530531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225458 + ... + 235529.

It is an arithmetic number, because the mean of its divisors is an integer number (338826180).

Almost surely, 2^2321530532 is an apocalyptic number.

It is an amenable number.

2321530532 is a deficient number, since it is larger than the sum of its proper divisors (1744383628).

2321530532 is a wasteful number, since it uses less digits than its factorization.

2321530532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462250 (or 462248 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2321530532 is about 48182.2636662081. The cubic root of 2321530532 is about 1324.1122392170.

Adding to 2321530532 its reverse (2350351232), we get a palindrome (4671881764).

The spelling of 2321530532 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, five hundred thirty-two".