4243075 has 12 divisors (see below), whose sum is σ = 5323320. Its totient is φ = 3354560.

The previous prime is 4243069. The next prime is 4243087. The reversal of 4243075 is 5703424.

It is not a de Polignac number, because 4243075 - 2³ = 4243067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

4243075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (443610).

Almost surely, 2^4243075 is an apocalyptic number.

4243075 is a deficient number, since it is larger than the sum of its proper divisors (1080245).

4243075 is a wasteful number, since it uses less digits than its factorization.

4243075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 4243075 is about 2059.8725688741. The cubic root of 4243075 is about 161.8925645436.

Adding to 4243075 its reverse (5703424), we get a palindrome (9946499).

The spelling of 4243075 in words is "four million, two hundred forty-three thousand, seventy-five".