2162573523 has 12 divisors (see below), whose sum is σ = 3407691768. Its totient is φ = 1310650560.

The previous prime is 2162573513. The next prime is 2162573527. The reversal of 2162573523 is 3253752612.

2162573523 is a `hidden beast` number, since 2 + 1 + 62 + 5 + 73 + 523 = 666.

It is not a de Polignac number, because 2162573523 - 2⁴ = 2162573507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2162573527) 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, 10921990 + ... + 10922187.

It is an arithmetic number, because the mean of its divisors is an integer number (283974314).

Almost surely, 2^2162573523 is an apocalyptic number.

2162573523 is a deficient number, since it is larger than the sum of its proper divisors (1245118245).

2162573523 is a wasteful number, since it uses less digits than its factorization.

2162573523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21844194 (or 21844191 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 2162573523 is about 46503.4786118200. The cubic root of 2162573523 is about 1293.1739887134.

Subtracting 2162573523 from its reverse (3253752612), we obtain a square (1091179089 = 33033²).

The spelling of 2162573523 in words is "two billion, one hundred sixty-two million, five hundred seventy-three thousand, five hundred twenty-three".