4013242 has 16 divisors (see below), whose sum is σ = 6236712. Its totient is φ = 1935360.

The previous prime is 4013227. The next prime is 4013267. The reversal of 4013242 is 2423104.

It can be written as a sum of positive squares in 4 ways, for example, as 3837681 + 175561 = 1959^2 + 419^2 .

It is a super-2 number, since 2×4013242² = 32212222701128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14142 + ... + 14422.

Almost surely, 2^4013242 is an apocalyptic number.

4013242 is a deficient number, since it is larger than the sum of its proper divisors (2223470).

4013242 is a wasteful number, since it uses less digits than its factorization.

4013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4013242 is about 2003.3077646732. The cubic root of 4013242 is about 158.9150819579.

Adding to 4013242 its reverse (2423104), we get a palindrome (6436346).

The spelling of 4013242 in words is "four million, thirteen thousand, two hundred forty-two".