354816243 has 6 divisors (see below), whose sum is σ = 512512364. Its totient is φ = 236544156.

The previous prime is 354816229. The next prime is 354816257. The reversal of 354816243 is 342618453.

It is an interprime number because it is at equal distance from previous prime (354816229) and next prime (354816257).

It is not a de Polignac number, because 354816243 - 2⁴ = 354816227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354816198 and 354816207.

It is not an unprimeable number, because it can be changed into a prime (354886243) 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 5 ways as a sum of consecutive naturals, for example, 19712005 + ... + 19712022.

Almost surely, 2^354816243 is an apocalyptic number.

354816243 is a deficient number, since it is larger than the sum of its proper divisors (157696121).

354816243 is a wasteful number, since it uses less digits than its factorization.

354816243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39424033 (or 39424030 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 354816243 is about 18836.5666457558. The cubic root of 354816243 is about 707.9476823833.

It can be divided in two parts, 3548 and 16243, that added together give a palindrome (19791).

The spelling of 354816243 in words is "three hundred fifty-four million, eight hundred sixteen thousand, two hundred forty-three".