354505 has 4 divisors (see below), whose sum is σ = 425412. Its totient is φ = 283600.

The previous prime is 354479. The next prime is 354533. The reversal of 354505 is 505453.

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 254016 + 100489 = 504^2 + 317^2 .

It is not a de Polignac number, because 354505 - 2⁷ = 354377 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35446 + ... + 35455.

It is an arithmetic number, because the mean of its divisors is an integer number (106353).

2³⁵⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

354505 is a deficient number, since it is larger than the sum of its proper divisors (70907).

354505 is an equidigital number, since it uses as much as digits as its factorization.

354505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70906.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 354505 is about 595.4032247141. The cubic root of 354505 is about 70.7740619127.

Adding to 354505 its reverse (505453), we get a palindrome (859958).

The spelling of 354505 in words is "three hundred fifty-four thousand, five hundred five".