4243541 has 16 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 3857280.

The previous prime is 4243529. The next prime is 4243543. The reversal of 4243541 is 1453424.

It is not a de Polignac number, because 4243541 - 2¹⁰ = 4242517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51086 + ... + 51168.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^4243541 is an apocalyptic number.

4243541 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4243541 is a deficient number, since it is larger than the sum of its proper divisors (413419).

4243541 is a wasteful number, since it uses less digits than its factorization.

4243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its digits is 1920, while the sum is 23.

The square root of 4243541 is about 2059.9856795619. The cubic root of 4243541 is about 161.8984909981.

Adding to 4243541 its reverse (1453424), we get a palindrome (5696965).

The spelling of 4243541 in words is "four million, two hundred forty-three thousand, five hundred forty-one".