2153073271 has 4 divisors (see below), whose sum is σ = 2156552200. Its totient is φ = 2149594344.

The previous prime is 2153073259. The next prime is 2153073277. The reversal of 2153073271 is 1723703512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153073271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153073277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738536 + ... + 1739773.

It is an arithmetic number, because the mean of its divisors is an integer number (539138050).

Almost surely, 2^2153073271 is an apocalyptic number.

2153073271 is a deficient number, since it is larger than the sum of its proper divisors (3478929).

2153073271 is an equidigital number, since it uses as much as digits as its factorization.

2153073271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478928.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 2153073271 is about 46401.2205766185. The cubic root of 2153073271 is about 1291.2775579348.

Adding to 2153073271 its reverse (1723703512), we get a palindrome (3876776783).

The spelling of 2153073271 in words is "two billion, one hundred fifty-three million, seventy-three thousand, two hundred seventy-one".