2321516504 has 8 divisors (see below), whose sum is σ = 4352843460. Its totient is φ = 1160758248.

The previous prime is 2321516503. The next prime is 2321516507. The reversal of 2321516504 is 4056151232.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321516503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145094774 + ... + 145094789.

Almost surely, 2^2321516504 is an apocalyptic number.

It is an amenable number.

2321516504 is a deficient number, since it is larger than the sum of its proper divisors (2031326956).

2321516504 is a wasteful number, since it uses less digits than its factorization.

2321516504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290189569 (or 290189565 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2321516504 is about 48182.1180937493. The cubic root of 2321516504 is about 1324.1095722000.

Adding to 2321516504 its reverse (4056151232), we get a palindrome (6377667736).

The spelling of 2321516504 in words is "two billion, three hundred twenty-one million, five hundred sixteen thousand, five hundred four".