355115 has 4 divisors (see below), whose sum is σ = 426144. Its totient is φ = 284088.

The previous prime is 355111. The next prime is 355127. The reversal of 355115 is 511553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511553 = 7 ⋅73079.

It is a cyclic number.

It is not a de Polignac number, because 355115 - 2² = 355111 is a prime.

It is a super-2 number, since 2×355115² = 252213326450, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 355115.

It is not an unprimeable number, because it can be changed into a prime (355111) 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, 35507 + ... + 35516.

It is an arithmetic number, because the mean of its divisors is an integer number (106536).

2³⁵⁵¹¹⁵ is an apocalyptic number.

355115 is a deficient number, since it is larger than the sum of its proper divisors (71029).

355115 is an equidigital number, since it uses as much as digits as its factorization.

355115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71028.

The product of its digits is 375, while the sum is 20.

The square root of 355115 is about 595.9152624325. The cubic root of 355115 is about 70.8146325103.

Adding to 355115 its reverse (511553), we get a palindrome (866668).

The spelling of 355115 in words is "three hundred fifty-five thousand, one hundred fifteen".