4251303252 has 96 divisors (see below), whose sum is σ = 12646045440. Its totient is φ = 1209876480.

The previous prime is 4251303239. The next prime is 4251303299. The reversal of 4251303252 is 2523031524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183352 + ... + 205232.

It is an arithmetic number, because the mean of its divisors is an integer number (131729640).

Almost surely, 2^4251303252 is an apocalyptic number.

4251303252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4251303252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6323022720).

4251303252 is an abundant number, since it is smaller than the sum of its proper divisors (8394742188).

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

4251303252 is a wasteful number, since it uses less digits than its factorization.

4251303252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22158 (or 22150 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4251303252 is about 65202.0187724276. The cubic root of 4251303252 is about 1619.9714535436.

Adding to 4251303252 its reverse (2523031524), we get a palindrome (6774334776).

The spelling of 4251303252 in words is "four billion, two hundred fifty-one million, three hundred three thousand, two hundred fifty-two".