325124321 has 2 divisors, whose sum is σ = 325124322. Its totient is φ = 325124320.

The previous prime is 325124243. The next prime is 325124329. The reversal of 325124321 is 123421523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270142096 + 54982225 = 16436^2 + 7415^2 .

It is an emirp because it is prime and its reverse (123421523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325124321 - 2¹⁰ = 325123297 is a prime.

It is a super-2 number, since 2×325124321² = 211411648211422082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (325124329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162562160 + 162562161.

It is an arithmetic number, because the mean of its divisors is an integer number (162562161).

Almost surely, 2^325124321 is an apocalyptic number.

It is an amenable number.

325124321 is a deficient number, since it is larger than the sum of its proper divisors (1).

325124321 is an equidigital number, since it uses as much as digits as its factorization.

325124321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 325124321 is about 18031.2040917960. The cubic root of 325124321 is about 687.6220889954.

Adding to 325124321 its reverse (123421523), we get a palindrome (448545844).

It can be divided in two parts, 3251 and 24321, that added together give a palindrome (27572).

The spelling of 325124321 in words is "three hundred twenty-five million, one hundred twenty-four thousand, three hundred twenty-one".