355345 has 4 divisors (see below), whose sum is σ = 426420. Its totient is φ = 284272.

The previous prime is 355343. The next prime is 355361. The reversal of 355345 is 543553.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37249 + 318096 = 193^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 355345 - 2¹ = 355343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35530 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (106605).

2³⁵⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

355345 is a deficient number, since it is larger than the sum of its proper divisors (71075).

355345 is an equidigital number, since it uses as much as digits as its factorization.

355345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71074.

The product of its digits is 4500, while the sum is 25.

The square root of 355345 is about 596.1082116529. The cubic root of 355345 is about 70.8299175592.

Adding to 355345 its reverse (543553), we get a palindrome (898898).

The spelling of 355345 in words is "three hundred fifty-five thousand, three hundred forty-five".