34565945 has 4 divisors (see below), whose sum is σ = 41479140. Its totient is φ = 27652752.

The previous prime is 34565933. The next prime is 34565969. The reversal of 34565945 is 54956543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54956543 = 547 ⋅100469.

It can be written as a sum of positive squares in 2 ways, for example, as 17952169 + 16613776 = 4237^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 34565945 - 2⁴ = 34565929 is a prime.

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, 3456590 + ... + 3456599.

It is an arithmetic number, because the mean of its divisors is an integer number (10369785).

Almost surely, 2^34565945 is an apocalyptic number.

It is an amenable number.

34565945 is a deficient number, since it is larger than the sum of its proper divisors (6913195).

34565945 is an equidigital number, since it uses as much as digits as its factorization.

34565945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913194.

The product of its digits is 324000, while the sum is 41.

The square root of 34565945 is about 5879.2809934549. The cubic root of 34565945 is about 325.7487902501.

The spelling of 34565945 in words is "thirty-four million, five hundred sixty-five thousand, nine hundred forty-five".