5305152312521 has 8 divisors (see below), whose sum is σ = 5464995650304. Its totient is φ = 5146175334960.

The previous prime is 5305152312517. The next prime is 5305152312571. The reversal of 5305152312521 is 1252132515035.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5305152312521 - 2² = 5305152312517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5305152312571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216577625 + ... + 216602118.

It is an arithmetic number, because the mean of its divisors is an integer number (683124456288).

Almost surely, 2^{5305152312521} is an apocalyptic number.

It is an amenable number.

5305152312521 is a deficient number, since it is larger than the sum of its proper divisors (159843337783).

5305152312521 is a wasteful number, since it uses less digits than its factorization.

5305152312521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433180111.

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 5305152312521 its reverse (1252132515035), we get a palindrome (6557284827556).

The spelling of 5305152312521 in words is "five trillion, three hundred five billion, one hundred fifty-two million, three hundred twelve thousand, five hundred twenty-one".