325323421 has 4 divisors (see below), whose sum is σ = 336541500. Its totient is φ = 314105344.

The previous prime is 325323419. The next prime is 325323433. The reversal of 325323421 is 124323523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124323523 = 163 ⋅762721.

It can be written as a sum of positive squares in 2 ways, for example, as 76125625 + 249197796 = 8725^2 + 15786^2 .

It is a cyclic number.

It is not a de Polignac number, because 325323421 - 2¹ = 325323419 is a prime.

It is a super-2 number, since 2×325323421² = 211670656502286482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325323821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608996 + ... + 5609053.

It is an arithmetic number, because the mean of its divisors is an integer number (84135375).

Almost surely, 2^325323421 is an apocalyptic number.

It is an amenable number.

325323421 is a deficient number, since it is larger than the sum of its proper divisors (11218079).

325323421 is a wasteful number, since it uses less digits than its factorization.

325323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11218078.

The product of its digits is 4320, while the sum is 25.

The square root of 325323421 is about 18036.7242314119. The cubic root of 325323421 is about 687.7624226180.

Adding to 325323421 its reverse (124323523), we get a palindrome (449646944).

It can be divided in two parts, 32532 and 3421, that added together give a palindrome (35953).

The spelling of 325323421 in words is "three hundred twenty-five million, three hundred twenty-three thousand, four hundred twenty-one".