5251688322 has 8 divisors (see below), whose sum is σ = 10503376656. Its totient is φ = 1750562772.

The previous prime is 5251688251. The next prime is 5251688359. The reversal of 5251688322 is 2238861525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

5251688322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437640688 + ... + 437640699.

It is an arithmetic number, because the mean of its divisors is an integer number (1312922082).

Almost surely, 2^5251688322 is an apocalyptic number.

5251688322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5251688322 is a wasteful number, since it uses less digits than its factorization.

5251688322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875281392.

The product of its digits is 230400, while the sum is 42.

The square root of 5251688322 is about 72468.5333230913. The cubic root of 5251688322 is about 1738.1996088965.

The spelling of 5251688322 in words is "five billion, two hundred fifty-one million, six hundred eighty-eight thousand, three hundred twenty-two".