321453052 has 12 divisors (see below), whose sum is σ = 581941080. Its totient is φ = 155184176.

The previous prime is 321452969. The next prime is 321453071. The reversal of 321453052 is 250354123.

It is a super-2 number, since 2×321453052² = 206664129280229408, which contains 22 as substring.

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, 1385458 + ... + 1385689.

It is an arithmetic number, because the mean of its divisors is an integer number (48495090).

Almost surely, 2^321453052 is an apocalyptic number.

It is an amenable number.

321453052 is a deficient number, since it is larger than the sum of its proper divisors (260488028).

321453052 is a wasteful number, since it uses less digits than its factorization.

321453052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771180 (or 2771178 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 321453052 is about 17929.1118575349. Note that the first 3 decimals coincide. The cubic root of 321453052 is about 685.0241005959.

The spelling of 321453052 in words is "three hundred twenty-one million, four hundred fifty-three thousand, fifty-two".