5124321 has 6 divisors (see below), whose sum is σ = 7401810. Its totient is φ = 3416208.

The previous prime is 5124307. The next prime is 5124349. The reversal of 5124321 is 1234215.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 1742400 = 1839^2 + 1320^2 .

It is not a de Polignac number, because 5124321 - 2⁵ = 5124289 is a prime.

It is a super-2 number, since 2×5124321² = 52517331422082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5124294 and 5124303.

It is not an unprimeable number, because it can be changed into a prime (5124121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284676 + ... + 284693.

It is an arithmetic number, because the mean of its divisors is an integer number (1233635).

Almost surely, 2^5124321 is an apocalyptic number.

It is an amenable number.

5124321 is a deficient number, since it is larger than the sum of its proper divisors (2277489).

5124321 is a wasteful number, since it uses less digits than its factorization.

5124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569375 (or 569372 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5124321 is about 2263.6963135544. The cubic root of 5124321 is about 172.4032475706.

Adding to 5124321 its reverse (1234215), we get a palindrome (6358536).

It can be divided in two parts, 5124 and 321, that added together give a palindrome (5445).

The spelling of 5124321 in words is "five million, one hundred twenty-four thousand, three hundred twenty-one".