321255852 has 96 divisors (see below), whose sum is σ = 811345920. Its totient is φ = 98703360.

The previous prime is 321255839. The next prime is 321255853. The reversal of 321255852 is 258552123.

It is not an unprimeable number, because it can be changed into a prime (321255853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046283 + ... + 1046589.

It is an arithmetic number, because the mean of its divisors is an integer number (8451520).

Almost surely, 2^321255852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321255852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405672960).

321255852 is an abundant number, since it is smaller than the sum of its proper divisors (490090068).

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

321255852 is a wasteful number, since it uses less digits than its factorization.

321255852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 321255852 is about 17923.6115780275. The cubic root of 321255852 is about 684.8839926446.

The spelling of 321255852 in words is "three hundred twenty-one million, two hundred fifty-five thousand, eight hundred fifty-two".