351242 has 4 divisors (see below), whose sum is σ = 526866. Its totient is φ = 175620.

The previous prime is 351229. The next prime is 351257. The reversal of 351242 is 242153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242153 = 103 ⋅2351.

It can be written as a sum of positive squares in only one way, i.e., 229441 + 121801 = 479^2 + 349^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 351242.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 351242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87809 + ... + 87812.

2³⁵¹²⁴² is an apocalyptic number.

351242 is a deficient number, since it is larger than the sum of its proper divisors (175624).

351242 is a wasteful number, since it uses less digits than its factorization.

351242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175623.

The product of its digits is 240, while the sum is 17.

The square root of 351242 is about 592.6567303254. The cubic root of 351242 is about 70.5562483887.

Adding to 351242 its reverse (242153), we get a palindrome (593395).

The spelling of 351242 in words is "three hundred fifty-one thousand, two hundred forty-two".