5251404252 has 96 divisors (see below), whose sum is σ = 12990878208. Its totient is φ = 1647765504.

The previous prime is 5251404199. The next prime is 5251404269. The reversal of 5251404252 is 2524041525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5083128 + ... + 5084160.

It is an arithmetic number, because the mean of its divisors is an integer number (135321648).

Almost surely, 2^5251404252 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 5251404252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6495439104).

5251404252 is an abundant number, since it is smaller than the sum of its proper divisors (7739473956).

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

5251404252 is a wasteful number, since it uses less digits than its factorization.

5251404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5251404252 is about 72466.5733424729. The cubic root of 5251404252 is about 1738.1682679108.

Adding to 5251404252 its reverse (2524041525), we get a palindrome (7775445777).

The spelling of 5251404252 in words is "five billion, two hundred fifty-one million, four hundred four thousand, two hundred fifty-two".