2152453121 has 12 divisors (see below), whose sum is σ = 2663730432. Its totient is φ = 1703038896.

The previous prime is 2152453099. The next prime is 2152453129. The reversal of 2152453121 is 1213542512.

It is not a de Polignac number, because 2152453121 - 2³⁰ = 1078711297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152453129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908561 + ... + 910926.

It is an arithmetic number, because the mean of its divisors is an integer number (221977536).

Almost surely, 2^2152453121 is an apocalyptic number.

It is an amenable number.

2152453121 is a deficient number, since it is larger than the sum of its proper divisors (511277311).

2152453121 is a wasteful number, since it uses less digits than its factorization.

2152453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819520 (or 1819507 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2152453121 is about 46394.5376202846. The cubic root of 2152453121 is about 1291.1535704105.

Adding to 2152453121 its reverse (1213542512), we get a palindrome (3365995633).

The spelling of 2152453121 in words is "two billion, one hundred fifty-two million, four hundred fifty-three thousand, one hundred twenty-one".