354243 has 4 divisors (see below), whose sum is σ = 472328. Its totient is φ = 236160.

The previous prime is 354209. The next prime is 354247. The reversal of 354243 is 342453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 354243 - 2¹³ = 346051 is a prime.

It is a super-3 number, since 3×354243³ = 133359846265160721, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354247) 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, 59038 + ... + 59043.

It is an arithmetic number, because the mean of its divisors is an integer number (118082).

2³⁵⁴²⁴³ is an apocalyptic number.

354243 is a deficient number, since it is larger than the sum of its proper divisors (118085).

354243 is a wasteful number, since it uses less digits than its factorization.

354243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118084.

The product of its digits is 1440, while the sum is 21.

The square root of 354243 is about 595.1831650845. The cubic root of 354243 is about 70.7566222206.

Adding to 354243 its reverse (342453), we get a palindrome (696696).

It can be divided in two parts, 35 and 4243, that added together give a triangular number (4278 = T₉₂).

The spelling of 354243 in words is "three hundred fifty-four thousand, two hundred forty-three".