4105230521 has 32 divisors (see below), whose sum is σ = 4971872256. Its totient is φ = 3315816000.

The previous prime is 4105230491. The next prime is 4105230551. The reversal of 4105230521 is 1250325014.

It is an interprime number because it is at equal distance from previous prime (4105230491) and next prime (4105230551).

It is not a de Polignac number, because 4105230521 - 2¹⁸ = 4104968377 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4105230551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361906 + ... + 1364916.

It is an arithmetic number, because the mean of its divisors is an integer number (155371008).

Almost surely, 2^4105230521 is an apocalyptic number.

It is an amenable number.

4105230521 is a deficient number, since it is larger than the sum of its proper divisors (866641735).

4105230521 is a wasteful number, since it uses less digits than its factorization.

4105230521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4105230521 is about 64072.0728632998. The cubic root of 4105230521 is about 1601.2009890455.

Adding to 4105230521 its reverse (1250325014), we get a palindrome (5355555535).

The spelling of 4105230521 in words is "four billion, one hundred five million, two hundred thirty thousand, five hundred twenty-one".