4051442 has 4 divisors (see below), whose sum is σ = 6077166. Its totient is φ = 2025720.

The previous prime is 4051429. The next prime is 4051469. The reversal of 4051442 is 2441504.

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., 3690241 + 361201 = 1921^2 + 601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012859 + ... + 1012862.

Almost surely, 2^4051442 is an apocalyptic number.

4051442 is a deficient number, since it is larger than the sum of its proper divisors (2025724).

4051442 is a wasteful number, since it uses less digits than its factorization.

4051442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025723.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4051442 is about 2012.8194156456. The cubic root of 4051442 is about 159.4177010790.

Adding to 4051442 its reverse (2441504), we get a palindrome (6492946).

The spelling of 4051442 in words is "four million, fifty-one thousand, four hundred forty-two".