334213505 has 4 divisors (see below), whose sum is σ = 401056212. Its totient is φ = 267370800.

The previous prime is 334213493. The next prime is 334213531. The reversal of 334213505 is 505312433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505312433 = 9371 ⋅53923.

It can be written as a sum of positive squares in 2 ways, for example, as 200024449 + 134189056 = 14143^2 + 11584^2 .

It is not a de Polignac number, because 334213505 - 2⁶ = 334213441 is a prime.

It is a super-2 number, since 2×334213505² = 223397333848770050, which contains 22 as substring.

It is a Duffinian number.

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, 33421346 + ... + 33421355.

It is an arithmetic number, because the mean of its divisors is an integer number (100264053).

Almost surely, 2^334213505 is an apocalyptic number.

It is an amenable number.

334213505 is a deficient number, since it is larger than the sum of its proper divisors (66842707).

334213505 is an equidigital number, since it uses as much as digits as its factorization.

334213505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66842706.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 334213505 is about 18281.5071862251. The cubic root of 334213505 is about 693.9710149372.

Adding to 334213505 its reverse (505312433), we get a palindrome (839525938).

The spelling of 334213505 in words is "three hundred thirty-four million, two hundred thirteen thousand, five hundred five".