352406321 has 4 divisors (see below), whose sum is σ = 352474944. Its totient is φ = 352337700.

The previous prime is 352406309. The next prime is 352406393. The reversal of 352406321 is 123604253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 352406321 - 2¹⁴ = 352389937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352406921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25925 + ... + 37106.

It is an arithmetic number, because the mean of its divisors is an integer number (88118736).

Almost surely, 2^352406321 is an apocalyptic number.

It is an amenable number.

352406321 is a deficient number, since it is larger than the sum of its proper divisors (68623).

352406321 is an equidigital number, since it uses as much as digits as its factorization.

352406321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68622.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 352406321 is about 18772.4884072411. The cubic root of 352406321 is about 706.3412396181.

The spelling of 352406321 in words is "three hundred fifty-two million, four hundred six thousand, three hundred twenty-one".