325603221 has 8 divisors (see below), whose sum is σ = 442329120. Its totient is φ = 212973072.

The previous prime is 325603211. The next prime is 325603259. The reversal of 325603221 is 122306523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325603221 - 2⁵ = 325603189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325603191 and 325603200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325603211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023751 + ... + 1024068.

It is an arithmetic number, because the mean of its divisors is an integer number (55291140).

Almost surely, 2^325603221 is an apocalyptic number.

It is an amenable number.

325603221 is a deficient number, since it is larger than the sum of its proper divisors (116725899).

325603221 is a wasteful number, since it uses less digits than its factorization.

325603221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047875.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 325603221 is about 18044.4789617212. The cubic root of 325603221 is about 687.9595400817.

Adding to 325603221 its reverse (122306523), we get a palindrome (447909744).

The spelling of 325603221 in words is "three hundred twenty-five million, six hundred three thousand, two hundred twenty-one".