5305142521 has 8 divisors (see below), whose sum is σ = 6272089920. Its totient is φ = 4390462608.

The previous prime is 5305142407. The next prime is 5305142543. The reversal of 5305142521 is 1252415035.

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

It is not a de Polignac number, because 5305142521 - 2²⁹ = 4768271609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5305142521.

It is not an unprimeable number, because it can be changed into a prime (5305142021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13066651 + ... + 13067056.

It is an arithmetic number, because the mean of its divisors is an integer number (784011240).

Almost surely, 2^5305142521 is an apocalyptic number.

It is an amenable number.

5305142521 is a deficient number, since it is larger than the sum of its proper divisors (966947399).

5305142521 is a wasteful number, since it uses less digits than its factorization.

5305142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26133743.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5305142521 is about 72836.4093088065. The cubic root of 5305142521 is about 1744.0771217658.

Adding to 5305142521 its reverse (1252415035), we get a palindrome (6557557556).

The spelling of 5305142521 in words is "five billion, three hundred five million, one hundred forty-two thousand, five hundred twenty-one".