524305204121 has 4 divisors (see below), whose sum is σ = 524334044544. Its totient is φ = 524276363700.

The previous prime is 524305204039. The next prime is 524305204123. The reversal of 524305204121 is 121402503425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524305204121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524305204123) 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 3 ways as a sum of consecutive naturals, for example, 14392925 + ... + 14429306.

It is an arithmetic number, because the mean of its divisors is an integer number (131083511136).

Almost surely, 2^524305204121 is an apocalyptic number.

It is an amenable number.

524305204121 is a deficient number, since it is larger than the sum of its proper divisors (28840423).

524305204121 is a wasteful number, since it uses less digits than its factorization.

524305204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28840422.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 524305204121 its reverse (121402503425), we get a palindrome (645707707546).

The spelling of 524305204121 in words is "five hundred twenty-four billion, three hundred five million, two hundred four thousand, one hundred twenty-one".