2321025516 has 30 divisors (see below), whose sum is σ = 6067620020. Its totient is φ = 773675064.

The previous prime is 2321025493. The next prime is 2321025523. The reversal of 2321025516 is 6155201232.

It is a happy number.

2321025516 is a `hidden beast` number, since 2 + 3 + 2 + 102 + 551 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2321025516.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3581506 + ... + 3582153.

Almost surely, 2^2321025516 is an apocalyptic number.

It is an amenable number.

2321025516 is an abundant number, since it is smaller than the sum of its proper divisors (3746594504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321025516 is a wasteful number, since it uses less digits than its factorization.

2321025516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163675 (or 7163664 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2321025516 is about 48177.0226975474. The cubic root of 2321025516 is about 1324.0162183158.

Adding to 2321025516 its reverse (6155201232), we get a palindrome (8476226748).

The spelling of 2321025516 in words is "two billion, three hundred twenty-one million, twenty-five thousand, five hundred sixteen".