34213505 has 4 divisors (see below), whose sum is σ = 41056212. Its totient is φ = 27370800.

The previous prime is 34213499. The next prime is 34213511. The reversal of 34213505 is 50531243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50531243 = 7 ⋅7218749.

It is an interprime number because it is at equal distance from previous prime (34213499) and next prime (34213511).

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 21603904 = 3551^2 + 4648^2 .

It is not a de Polignac number, because 34213505 - 2⁶ = 34213441 is a prime.

It is a Duffinian number.

It is a Curzon 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, 3421346 + ... + 3421355.

It is an arithmetic number, because the mean of its divisors is an integer number (10264053).

Almost surely, 2^34213505 is an apocalyptic number.

It is an amenable number.

34213505 is a deficient number, since it is larger than the sum of its proper divisors (6842707).

34213505 is an equidigital number, since it uses as much as digits as its factorization.

34213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842706.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 34213505 is about 5849.2311460567. The cubic root of 34213505 is about 324.6378767418.

Adding to 34213505 its reverse (50531243), we get a palindrome (84744748).

The spelling of 34213505 in words is "thirty-four million, two hundred thirteen thousand, five hundred five".