321255412 has 6 divisors (see below), whose sum is σ = 562196978. Its totient is φ = 160627704.

The previous prime is 321255391. The next prime is 321255427. The reversal of 321255412 is 214552123.

It can be written as a sum of positive squares in only one way, i.e., 255872016 + 65383396 = 15996^2 + 8086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40156923 + ... + 40156930.

Almost surely, 2^321255412 is an apocalyptic number.

It is an amenable number.

321255412 is a deficient number, since it is larger than the sum of its proper divisors (240941566).

321255412 is a wasteful number, since it uses less digits than its factorization.

321255412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80313857 (or 80313855 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 321255412 is about 17923.5993037113. The cubic root of 321255412 is about 684.8836799664.

The spelling of 321255412 in words is "three hundred twenty-one million, two hundred fifty-five thousand, four hundred twelve".