4200543 has 12 divisors (see below), whose sum is σ = 6085560. Its totient is φ = 2792016.

The previous prime is 4200529. The next prime is 4200583. The reversal of 4200543 is 3450024.

It is a happy number.

It is not a de Polignac number, because 4200543 - 2⁴ = 4200527 is a prime.

It is a super-2 number, since 2×4200543² = 35289122989698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4653 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (507130).

Almost surely, 2^4200543 is an apocalyptic number.

4200543 is a deficient number, since it is larger than the sum of its proper divisors (1885017).

4200543 is a wasteful number, since it uses less digits than its factorization.

4200543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4200543 is about 2049.5226273452. The cubic root of 4200543 is about 161.3498174120.

Adding to 4200543 its reverse (3450024), we get a palindrome (7650567).

The spelling of 4200543 in words is "four million, two hundred thousand, five hundred forty-three".