2152455321 has 8 divisors (see below), whose sum is σ = 2888947264. Its totient is φ = 1425466800.

The previous prime is 2152455307. The next prime is 2152455329. The reversal of 2152455321 is 1235542512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2152455321 - 2¹⁷ = 2152324249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152455329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375326 + ... + 2376231.

It is an arithmetic number, because the mean of its divisors is an integer number (361118408).

Almost surely, 2^2152455321 is an apocalyptic number.

It is an amenable number.

2152455321 is a deficient number, since it is larger than the sum of its proper divisors (736491943).

2152455321 is a wasteful number, since it uses less digits than its factorization.

2152455321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751711.

The product of its digits is 12000, while the sum is 30.

The square root of 2152455321 is about 46394.5613299663. The cubic root of 2152455321 is about 1291.1540103019.

Adding to 2152455321 its reverse (1235542512), we get a palindrome (3387997833).

The spelling of 2152455321 in words is "two billion, one hundred fifty-two million, four hundred fifty-five thousand, three hundred twenty-one".