352091 has 4 divisors (see below), whose sum is σ = 353400. Its totient is φ = 350784.

The previous prime is 352081. The next prime is 352097. The reversal of 352091 is 190253.

352091 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 190253 = 7 ⋅27179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

2³⁵²⁰⁹¹ is an apocalyptic number.

352091 is a deficient number, since it is larger than the sum of its proper divisors (1309).

352091 is an equidigital number, since it uses as much as digits as its factorization.

352091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 352091 is about 593.3725642461. The cubic root of 352091 is about 70.6130506841.

The spelling of 352091 in words is "three hundred fifty-two thousand, ninety-one".