34306521 has 4 divisors (see below), whose sum is σ = 45742032. Its totient is φ = 22871012.

The previous prime is 34306487. The next prime is 34306523. The reversal of 34306521 is 12560343.

It is a happy number.

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 34306521 - 2¹⁰ = 34305497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34306491 and 34306500.

It is not an unprimeable number, because it can be changed into a prime (34306523) 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, 5717751 + ... + 5717756.

It is an arithmetic number, because the mean of its divisors is an integer number (11435508).

Almost surely, 2^34306521 is an apocalyptic number.

It is an amenable number.

34306521 is a deficient number, since it is larger than the sum of its proper divisors (11435511).

34306521 is a wasteful number, since it uses less digits than its factorization.

34306521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435510.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 34306521 is about 5857.1768796921. The cubic root of 34306521 is about 324.9318073888.

Adding to 34306521 its reverse (12560343), we get a palindrome (46866864).

The spelling of 34306521 in words is "thirty-four million, three hundred six thousand, five hundred twenty-one".