4242251 has 8 divisors (see below), whose sum is σ = 4675440. Its totient is φ = 3824352.

The previous prime is 4242247. The next prime is 4242253. The reversal of 4242251 is 1522424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4242251 - 2² = 4242247 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242253) 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 7 ways as a sum of consecutive naturals, for example, 3236 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (584430).

Almost surely, 2^4242251 is an apocalyptic number.

4242251 is a deficient number, since it is larger than the sum of its proper divisors (433189).

4242251 is a wasteful number, since it uses less digits than its factorization.

4242251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

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

The square root of 4242251 is about 2059.6725467899. The cubic root of 4242251 is about 161.8820840855.

Adding to 4242251 its reverse (1522424), we get a palindrome (5764675).

The spelling of 4242251 in words is "four million, two hundred forty-two thousand, two hundred fifty-one".