5251247520 has 96 divisors (see below), whose sum is σ = 16552263168. Its totient is φ = 1399415808.

The previous prime is 5251247483. The next prime is 5251247527. The reversal of 5251247520 is 257421525.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (5251247527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056882 + ... + 1061838.

It is an arithmetic number, because the mean of its divisors is an integer number (172419408).

Almost surely, 2^5251247520 is an apocalyptic number.

It is an amenable number.

5251247520 is an abundant number, since it is smaller than the sum of its proper divisors (11301015648).

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

5251247520 is a wasteful number, since it uses less digits than its factorization.

5251247520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7174 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 5251247520 is about 72465.4919254675. The cubic root of 5251247520 is about 1738.1509754378.

The spelling of 5251247520 in words is "five billion, two hundred fifty-one million, two hundred forty-seven thousand, five hundred twenty".