2152142521 has 8 divisors (see below), whose sum is σ = 2320668000. Its totient is φ = 1989142560.

The previous prime is 2152142501. The next prime is 2152142533. The reversal of 2152142521 is 1252412512.

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

It is a cyclic number.

It is not a de Polignac number, because 2152142521 - 2¹⁵ = 2152109753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152142501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1380571 + ... + 1382128.

It is an arithmetic number, because the mean of its divisors is an integer number (290083500).

Almost surely, 2^2152142521 is an apocalyptic number.

It is an amenable number.

2152142521 is a deficient number, since it is larger than the sum of its proper divisors (168525479).

2152142521 is a wasteful number, since it uses less digits than its factorization.

2152142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762759.

The product of its digits is 1600, while the sum is 25.

The square root of 2152142521 is about 46391.1901226946. The cubic root of 2152142521 is about 1291.0914627334.

The spelling of 2152142521 in words is "two billion, one hundred fifty-two million, one hundred forty-two thousand, five hundred twenty-one".