4251442 has 8 divisors (see below), whose sum is σ = 6867756. Its totient is φ = 1962192.

The previous prime is 4251419. The next prime is 4251449. The reversal of 4251442 is 2441524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4247721 + 3721 = 2061^2 + 61^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4251449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81733 + ... + 81784.

Almost surely, 2^4251442 is an apocalyptic number.

4251442 is a deficient number, since it is larger than the sum of its proper divisors (2616314).

4251442 is a wasteful number, since it uses less digits than its factorization.

4251442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163532.

The product of its digits is 1280, while the sum is 22.

The square root of 4251442 is about 2061.9025195193. The cubic root of 4251442 is about 161.9989076795.

Adding to 4251442 its reverse (2441524), we get a palindrome (6692966).

The spelling of 4251442 in words is "four million, two hundred fifty-one thousand, four hundred forty-two".