4205242 has 8 divisors (see below), whose sum is σ = 6322932. Its totient is φ = 2097600.

The previous prime is 4205233. The next prime is 4205269. The reversal of 4205242 is 2425024.

It can be written as a sum of positive squares in 2 ways, for example, as 4076361 + 128881 = 2019^2 + 359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 3202.

Almost surely, 2^4205242 is an apocalyptic number.

4205242 is a deficient number, since it is larger than the sum of its proper divisors (2117690).

4205242 is a wasteful number, since it uses less digits than its factorization.

4205242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4205242 is about 2050.6686714338. The cubic root of 4205242 is about 161.4099604499.

The spelling of 4205242 in words is "four million, two hundred five thousand, two hundred forty-two".