321377052 has 12 divisors (see below), whose sum is σ = 749879816. Its totient is φ = 107125680.

The previous prime is 321377047. The next prime is 321377081. The reversal of 321377052 is 250773123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13390699 + ... + 13390722.

Almost surely, 2^321377052 is an apocalyptic number.

It is an amenable number.

321377052 is an abundant number, since it is smaller than the sum of its proper divisors (428502764).

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

321377052 is a wasteful number, since it uses less digits than its factorization.

321377052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26781428 (or 26781426 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 321377052 is about 17926.9922742216. The cubic root of 321377052 is about 684.9701104048.

The spelling of 321377052 in words is "three hundred twenty-one million, three hundred seventy-seven thousand, fifty-two".