4243975 has 12 divisors (see below), whose sum is σ = 5363496. Its totient is φ = 3330080.

The previous prime is 4243969. The next prime is 4243979. The reversal of 4243975 is 5793424.

It is not a de Polignac number, because 4243975 - 2¹³ = 4235783 is a prime.

It is a super-2 number, since 2×4243975² = 36022647601250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243979) 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 11 ways as a sum of consecutive naturals, for example, 277 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (446958).

Almost surely, 2^4243975 is an apocalyptic number.

4243975 is a deficient number, since it is larger than the sum of its proper divisors (1119521).

4243975 is a wasteful number, since it uses less digits than its factorization.

4243975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266 (or 3261 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 4243975 is about 2060.0910174068. The cubic root of 4243975 is about 161.9040100956.

The spelling of 4243975 in words is "four million, two hundred forty-three thousand, nine hundred seventy-five".