321249452 has 12 divisors (see below), whose sum is σ = 562414440. Its totient is φ = 160559616.

The previous prime is 321249451. The next prime is 321249457. The reversal of 321249452 is 254942123.

It is not an unprimeable number, because it can be changed into a prime (321249451) 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, 4178 + ... + 25689.

It is an arithmetic number, because the mean of its divisors is an integer number (46867870).

Almost surely, 2^321249452 is an apocalyptic number.

It is an amenable number.

321249452 is a deficient number, since it is larger than the sum of its proper divisors (241164988).

321249452 is a wasteful number, since it uses less digits than its factorization.

321249452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32560 (or 32558 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 321249452 is about 17923.4330416915. The cubic root of 321249452 is about 684.8794445701.

The spelling of 321249452 in words is "three hundred twenty-one million, two hundred forty-nine thousand, four hundred fifty-two".