4052042 has 4 divisors (see below), whose sum is σ = 6078066. Its totient is φ = 2026020.

The previous prime is 4052029. The next prime is 4052051. The reversal of 4052042 is 2402504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4044121 + 7921 = 2011^2 + 89^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4052042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013009 + ... + 1013012.

Almost surely, 2^4052042 is an apocalyptic number.

4052042 is a deficient number, since it is larger than the sum of its proper divisors (2026024).

4052042 is a wasteful number, since it uses less digits than its factorization.

4052042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026023.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4052042 is about 2012.9684547951. The cubic root of 4052042 is about 159.4255703676.

Adding to 4052042 its reverse (2402504), we get a palindrome (6454546).

The spelling of 4052042 in words is "four million, fifty-two thousand, forty-two", and thus it is an eban number.