321253068 has 24 divisors (see below), whose sum is σ = 775439280. Its totient is φ = 103391680.

The previous prime is 321253033. The next prime is 321253069. The reversal of 321253068 is 860352123.

It is not an unprimeable number, because it can be changed into a prime (321253069) 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, 461223 + ... + 461918.

It is an arithmetic number, because the mean of its divisors is an integer number (32309970).

Almost surely, 2^321253068 is an apocalyptic number.

It is an amenable number.

321253068 is an abundant number, since it is smaller than the sum of its proper divisors (454186212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321253068 is a wasteful number, since it uses less digits than its factorization.

321253068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923177 (or 923175 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 321253068 is about 17923.5339149399. The cubic root of 321253068 is about 684.8820142396.

It can be divided in two parts, 3212 and 53068, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 321253068 in words is "three hundred twenty-one million, two hundred fifty-three thousand, sixty-eight".