4251511242 has 96 divisors (see below), whose sum is σ = 10394542080. Its totient is φ = 1244748960.

The previous prime is 4251511223. The next prime is 4251511247. The reversal of 4251511242 is 2421151524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4251511247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 732283 + ... + 738065.

It is an arithmetic number, because the mean of its divisors is an integer number (108276480).

Almost surely, 2^4251511242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251511242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5197271040).

4251511242 is an abundant number, since it is smaller than the sum of its proper divisors (6143030838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4251511242 is a wasteful number, since it uses less digits than its factorization.

4251511242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928 (or 5925 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4251511242 is about 65203.6137188730. The cubic root of 4251511242 is about 1619.9978715107.

Adding to 4251511242 its reverse (2421151524), we get a palindrome (6672662766).

The spelling of 4251511242 in words is "four billion, two hundred fifty-one million, five hundred eleven thousand, two hundred forty-two".