4042061 has 4 divisors (see below), whose sum is σ = 4046112. Its totient is φ = 4038012.

The previous prime is 4042057. The next prime is 4042063. The reversal of 4042061 is 1602404.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4042061 - 2² = 4042057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (1011528).

Almost surely, 2^4042061 is an apocalyptic number.

It is an amenable number.

4042061 is a deficient number, since it is larger than the sum of its proper divisors (4051).

4042061 is a wasteful number, since it uses less digits than its factorization.

4042061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4042061 is about 2010.4877517657. The cubic root of 4042061 is about 159.2945635885.

Adding to 4042061 its reverse (1602404), we get a palindrome (5644465).

The spelling of 4042061 in words is "four million, forty-two thousand, sixty-one".