321454225 has 12 divisors (see below), whose sum is σ = 398890764. Its totient is φ = 256977920.

The previous prime is 321454223. The next prime is 321454229. The reversal of 321454225 is 522454123.

It can be written as a sum of positive squares in 6 ways, for example, as 12503296 + 308950929 = 3536^2 + 17577^2 .

It is not a de Polignac number, because 321454225 - 2¹ = 321454223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321454193 and 321454202.

It is not an unprimeable number, because it can be changed into a prime (321454223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38637 + ... + 46213.

It is an arithmetic number, because the mean of its divisors is an integer number (33240897).

Almost surely, 2^321454225 is an apocalyptic number.

It is an amenable number.

321454225 is a deficient number, since it is larger than the sum of its proper divisors (77436539).

321454225 is a wasteful number, since it uses less digits than its factorization.

321454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284 (or 9279 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 321454225 is about 17929.1445696665. The cubic root of 321454225 is about 685.0249338252.

The spelling of 321454225 in words is "three hundred twenty-one million, four hundred fifty-four thousand, two hundred twenty-five".