512325321 has 4 divisors (see below), whose sum is σ = 683100432. Its totient is φ = 341550212.

The previous prime is 512325283. The next prime is 512325323. The reversal of 512325321 is 123523215.

It is a happy number.

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 512325321 - 2⁹ = 512324809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512325291 and 512325300.

It is not an unprimeable number, because it can be changed into a prime (512325323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85387551 + ... + 85387556.

It is an arithmetic number, because the mean of its divisors is an integer number (170775108).

Almost surely, 2^512325321 is an apocalyptic number.

It is an amenable number.

512325321 is a deficient number, since it is larger than the sum of its proper divisors (170775111).

512325321 is a wasteful number, since it uses less digits than its factorization.

512325321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170775110.

The product of its digits is 1800, while the sum is 24.

The square root of 512325321 is about 22634.6045028403. The cubic root of 512325321 is about 800.1694021469.

Adding to 512325321 its reverse (123523215), we get a palindrome (635848536).

The spelling of 512325321 in words is "five hundred twelve million, three hundred twenty-five thousand, three hundred twenty-one".