4314521 has 4 divisors (see below), whose sum is σ = 4321572. Its totient is φ = 4307472.

The previous prime is 4314509. The next prime is 4314529. The reversal of 4314521 is 1254134.

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 4044121 + 270400 = 2011^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 4314521 - 2¹⁴ = 4298137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4314493 and 4314502.

It is not an unprimeable number, because it can be changed into a prime (4314529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (1080393).

Almost surely, 2^4314521 is an apocalyptic number.

It is an amenable number.

4314521 is a deficient number, since it is larger than the sum of its proper divisors (7051).

4314521 is an equidigital number, since it uses as much as digits as its factorization.

4314521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050.

The product of its digits is 480, while the sum is 20.

The square root of 4314521 is about 2077.1425083513. The cubic root of 4314521 is about 162.7961746531.

Adding to 4314521 its reverse (1254134), we get a palindrome (5568655).

It can be divided in two parts, 43 and 14521, that multiplied together give a triangular number (624403 = T₁₁₁₇).

The spelling of 4314521 in words is "four million, three hundred fourteen thousand, five hundred twenty-one".