5212421250 has 80 divisors (see below), whose sum is σ = 13379317248. Its totient is φ = 1352376000.

The previous prime is 5212421233. The next prime is 5212421261. The reversal of 5212421250 is 521242125.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5212421250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119967 + ... + 157533.

Almost surely, 2^5212421250 is an apocalyptic number.

5212421250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6689658624).

5212421250 is an abundant number, since it is smaller than the sum of its proper divisors (8166895998).

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

5212421250 is a wasteful number, since it uses less digits than its factorization.

5212421250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37629 (or 37614 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 5212421250 is about 72197.1000110115. The cubic root of 5212421250 is about 1733.8565717769.

Adding to 5212421250 its reverse (521242125), we get a palindrome (5733663375).

The spelling of 5212421250 in words is "five billion, two hundred twelve million, four hundred twenty-one thousand, two hundred fifty".