34065521 has 4 divisors (see below), whose sum is σ = 38932032. Its totient is φ = 29199012.

The previous prime is 34065509. The next prime is 34065529. The reversal of 34065521 is 12556043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34065521 - 2⁶ = 34065457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34065529) 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, 2433245 + ... + 2433258.

It is an arithmetic number, because the mean of its divisors is an integer number (9733008).

Almost surely, 2^34065521 is an apocalyptic number.

It is an amenable number.

34065521 is a deficient number, since it is larger than the sum of its proper divisors (4866511).

34065521 is an equidigital number, since it uses as much as digits as its factorization.

34065521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866510.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 34065521 is about 5836.5675700706. The cubic root of 34065521 is about 324.1691471876.

The spelling of 34065521 in words is "thirty-four million, sixty-five thousand, five hundred twenty-one".