4324112521 has 8 divisors (see below), whose sum is σ = 4338917960. Its totient is φ = 4309331328.

The previous prime is 4324112501. The next prime is 4324112561. The reversal of 4324112521 is 1252114234.

It can be written as a sum of positive squares in 4 ways, for example, as 2062158921 + 2261953600 = 45411^2 + 47560^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4324112521 - 2²⁵ = 4290558089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4324112501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395395 + ... + 406183.

It is an arithmetic number, because the mean of its divisors is an integer number (542364745).

Almost surely, 2^4324112521 is an apocalyptic number.

It is an amenable number.

4324112521 is a deficient number, since it is larger than the sum of its proper divisors (14805439).

4324112521 is a wasteful number, since it uses less digits than its factorization.

4324112521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123.

The product of its digits is 1920, while the sum is 25.

The square root of 4324112521 is about 65757.9844657666. The cubic root of 4324112521 is about 1629.1672162070.

Adding to 4324112521 its reverse (1252114234), we get a palindrome (5576226755).

The spelling of 4324112521 in words is "four billion, three hundred twenty-four million, one hundred twelve thousand, five hundred twenty-one".