351243 has 8 divisors (see below), whose sum is σ = 520400. Its totient is φ = 234144.

The previous prime is 351229. The next prime is 351257. The reversal of 351243 is 342153.

It is an interprime number because it is at equal distance from previous prime (351229) and next prime (351257).

It is not a de Polignac number, because 351243 - 2⁶ = 351179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6478 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (65050).

2³⁵¹²⁴³ is an apocalyptic number.

351243 is a deficient number, since it is larger than the sum of its proper divisors (169157).

351243 is a wasteful number, since it uses less digits than its factorization.

351243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13018 (or 13012 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 351243 is about 592.6575739835. The cubic root of 351243 is about 70.5563153474.

Adding to 351243 its reverse (342153), we get a palindrome (693396).

The spelling of 351243 in words is "three hundred fifty-one thousand, two hundred forty-three".