351243543 has 8 divisors (see below), whose sum is σ = 535228288. Its totient is φ = 200710584.

The previous prime is 351243533. The next prime is 351243569. The reversal of 351243543 is 345342153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 351243543 - 2⁴ = 351243527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351243543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351243523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8362921 + ... + 8362962.

It is an arithmetic number, because the mean of its divisors is an integer number (66903536).

Almost surely, 2^351243543 is an apocalyptic number.

351243543 is a deficient number, since it is larger than the sum of its proper divisors (183984745).

351243543 is a wasteful number, since it uses less digits than its factorization.

351243543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725893.

The product of its digits is 21600, while the sum is 30.

The square root of 351243543 is about 18741.4925499545. The cubic root of 351243543 is about 705.5635170596.

Adding to 351243543 its reverse (345342153), we get a palindrome (696585696).

The spelling of 351243543 in words is "three hundred fifty-one million, two hundred forty-three thousand, five hundred forty-three".