2321530505 has 16 divisors (see below), whose sum is σ = 3213027840. Its totient is φ = 1577299392.

The previous prime is 2321530499. The next prime is 2321530531. The reversal of 2321530505 is 5050351232.

It is a cyclic number.

It is not a de Polignac number, because 2321530505 - 2²² = 2317336201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300449 + ... + 308078.

It is an arithmetic number, because the mean of its divisors is an integer number (200814240).

Almost surely, 2^2321530505 is an apocalyptic number.

It is an amenable number.

2321530505 is a deficient number, since it is larger than the sum of its proper divisors (891497335).

2321530505 is a wasteful number, since it uses less digits than its factorization.

2321530505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608648.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2321530505 is about 48182.2633860220. The cubic root of 2321530505 is about 1324.1122340837.

Adding to 2321530505 its reverse (5050351232), we get a palindrome (7371881737).

The spelling of 2321530505 in words is "two billion, three hundred twenty-one million, five hundred thirty thousand, five hundred five".