252204736 has 56 divisors (see below), whose sum is σ = 575559936. Its totient is φ = 107408640.

The previous prime is 252204697. The next prime is 252204739. The reversal of 252204736 is 637402252.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 252204698 and 252204707.

It is not an unprimeable number, because it can be changed into a prime (252204739) 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, 73131 + ... + 76501.

It is an arithmetic number, because the mean of its divisors is an integer number (10277856).

Almost surely, 2^252204736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252204736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287779968).

252204736 is an abundant number, since it is smaller than the sum of its proper divisors (323355200).

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

252204736 is a wasteful number, since it uses less digits than its factorization.

252204736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557 (or 3547 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 252204736 is about 15880.9551350037. The cubic root of 252204736 is about 631.8069698374.

Adding to 252204736 its reverse (637402252), we get a palindrome (889606988).

The spelling of 252204736 in words is "two hundred fifty-two million, two hundred four thousand, seven hundred thirty-six".