2066531234 has 4 divisors (see below), whose sum is σ = 3099796854. Its totient is φ = 1033265616.

The previous prime is 2066531197. The next prime is 2066531239. The reversal of 2066531234 is 4321356602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321356602 = 2 ⋅2160678301.

It can be written as a sum of positive squares in only one way, i.e., 1693075609 + 373455625 = 41147^2 + 19325^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066531234.

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 as a sum of consecutive naturals, namely, 516632807 + ... + 516632810.

Almost surely, 2^2066531234 is an apocalyptic number.

2066531234 is a deficient number, since it is larger than the sum of its proper divisors (1033265620).

2066531234 is a wasteful number, since it uses less digits than its factorization.

2066531234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033265619.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2066531234 is about 45459.1160714768. The cubic root of 2066531234 is about 1273.7396200989.

Adding to 2066531234 its reverse (4321356602), we get a palindrome (6387887836).

The spelling of 2066531234 in words is "two billion, sixty-six million, five hundred thirty-one thousand, two hundred thirty-four".