4521343 has 2 divisors, whose sum is σ = 4521344. Its totient is φ = 4521342.

The previous prime is 4521331. The next prime is 4521359. The reversal of 4521343 is 3431254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4521343 - 2⁵ = 4521311 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4521313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260671 + 2260672.

It is an arithmetic number, because the mean of its divisors is an integer number (2260672).

Almost surely, 2^4521343 is an apocalyptic number.

4521343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521343 is an equidigital number, since it uses as much as digits as its factorization.

4521343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 4521343 is about 2126.3449861205. The cubic root of 4521343 is about 165.3569621139.

Adding to 4521343 its reverse (3431254), we get a palindrome (7952597).

The spelling of 4521343 in words is "four million, five hundred twenty-one thousand, three hundred forty-three".