4521523 has 2 divisors, whose sum is σ = 4521524. Its totient is φ = 4521522.

The previous prime is 4521509. The next prime is 4521527. The reversal of 4521523 is 3251254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4521523 - 2¹³ = 4513331 is a prime.

4521523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4521494 and 4521503.

It is not a weakly prime, because it can be changed into another prime (4521527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260761 + 2260762.

It is an arithmetic number, because the mean of its divisors is an integer number (2260762).

Almost surely, 2^4521523 is an apocalyptic number.

4521523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521523 is an equidigital number, since it uses as much as digits as its factorization.

4521523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 22.

The square root of 4521523 is about 2126.3873118508. The cubic root of 4521523 is about 165.3591564367.

Adding to 4521523 its reverse (3251254), we get a palindrome (7772777).

The spelling of 4521523 in words is "four million, five hundred twenty-one thousand, five hundred twenty-three".