4534521 has 24 divisors (see below), whose sum is σ = 6583680. Its totient is φ = 2774304.

The previous prime is 4534501. The next prime is 4534549. The reversal of 4534521 is 1254354.

It is not a de Polignac number, because 4534521 - 2⁵ = 4534489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4534491 and 4534500.

It is not an unprimeable number, because it can be changed into a prime (4534501) 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 23 ways as a sum of consecutive naturals, for example, 57360 + ... + 57438.

It is an arithmetic number, because the mean of its divisors is an integer number (274320).

Almost surely, 2^4534521 is an apocalyptic number.

It is an amenable number.

4534521 is a deficient number, since it is larger than the sum of its proper divisors (2049159).

4534521 is a wasteful number, since it uses less digits than its factorization.

4534521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 154 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 4534521 is about 2129.4414760683. The cubic root of 4534521 is about 165.5174572300.

Adding to 4534521 its reverse (1254354), we get a palindrome (5788875).

The spelling of 4534521 in words is "four million, five hundred thirty-four thousand, five hundred twenty-one".