2066531233 has 4 divisors (see below), whose sum is σ = 2225495188. Its totient is φ = 1907567280.

The previous prime is 2066531197. The next prime is 2066531239. The reversal of 2066531233 is 3321356602.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1208744289 + 857786944 = 34767^2 + 29288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066531233 - 2⁹ = 2066530721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066531195 and 2066531204.

It is not an unprimeable number, because it can be changed into a prime (2066531239) 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, 79481958 + ... + 79481983.

It is an arithmetic number, because the mean of its divisors is an integer number (556373797).

Almost surely, 2^2066531233 is an apocalyptic number.

It is an amenable number.

2066531233 is a deficient number, since it is larger than the sum of its proper divisors (158963955).

2066531233 is a wasteful number, since it uses less digits than its factorization.

2066531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158963954.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 2066531233 is about 45459.1160604779. The cubic root of 2066531233 is about 1273.7396198934.

Adding to 2066531233 its reverse (3321356602), we get a palindrome (5387887835).

The spelling of 2066531233 in words is "two billion, sixty-six million, five hundred thirty-one thousand, two hundred thirty-three".