512273425321 has 4 divisors (see below), whose sum is σ = 585455343232. Its totient is φ = 439091507412.

The previous prime is 512273425289. The next prime is 512273425327. The reversal of 512273425321 is 123524372215.

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 not a de Polignac number, because 512273425321 - 2⁵ = 512273425289 is a prime.

It is a super-2 number, since 2×512273425321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512273425327) 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 3 ways as a sum of consecutive naturals, for example, 36590958945 + ... + 36590958958.

It is an arithmetic number, because the mean of its divisors is an integer number (146363835808).

Almost surely, 2^512273425321 is an apocalyptic number.

It is an amenable number.

512273425321 is a deficient number, since it is larger than the sum of its proper divisors (73181917911).

512273425321 is an equidigital number, since it uses as much as digits as its factorization.

512273425321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73181917910.

The product of its digits is 100800, while the sum is 37.

Adding to 512273425321 its reverse (123524372215), we get a palindrome (635797797536).

The spelling of 512273425321 in words is "five hundred twelve billion, two hundred seventy-three million, four hundred twenty-five thousand, three hundred twenty-one".