4066523101 has 4 divisors (see below), whose sum is σ = 4068167292. Its totient is φ = 4064878912.

The previous prime is 4066523081. The next prime is 4066523129. The reversal of 4066523101 is 1013256604.

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 1470722500 + 2595800601 = 38350^2 + 50949^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066523101 - 2²⁵ = 4032968669 is a prime.

It is a super-2 number, since 2×4066523101² = 33073220261933312402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4066523101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066523141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818380 + ... + 823333.

It is an arithmetic number, because the mean of its divisors is an integer number (1017041823).

Almost surely, 2^4066523101 is an apocalyptic number.

It is an amenable number.

4066523101 is a deficient number, since it is larger than the sum of its proper divisors (1644191).

4066523101 is a wasteful number, since it uses less digits than its factorization.

4066523101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644190.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4066523101 is about 63769.2959111201. The cubic root of 4066523101 is about 1596.1526180574.

Adding to 4066523101 its reverse (1013256604), we get a palindrome (5079779705).

The spelling of 4066523101 in words is "four billion, sixty-six million, five hundred twenty-three thousand, one hundred one".