4243513 has 4 divisors (see below), whose sum is σ = 4283280. Its totient is φ = 4203748.

The previous prime is 4243511. The next prime is 4243529. The reversal of 4243513 is 3153424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4243513 - 2¹ = 4243511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243511) 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 3 ways as a sum of consecutive naturals, for example, 19723 + ... + 19936.

It is an arithmetic number, because the mean of its divisors is an integer number (1070820).

Almost surely, 2^4243513 is an apocalyptic number.

It is an amenable number.

4243513 is a deficient number, since it is larger than the sum of its proper divisors (39767).

4243513 is a wasteful number, since it uses less digits than its factorization.

4243513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39766.

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

The square root of 4243513 is about 2059.9788833869. The cubic root of 4243513 is about 161.8981349144.

Adding to 4243513 its reverse (3153424), we get a palindrome (7396937).

The spelling of 4243513 in words is "four million, two hundred forty-three thousand, five hundred thirteen".