34249521 has 4 divisors (see below), whose sum is σ = 45666032. Its totient is φ = 22833012.

The previous prime is 34249519. The next prime is 34249561. The reversal of 34249521 is 12594243.

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 not a de Polignac number, because 34249521 - 2¹ = 34249519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34249561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5708251 + ... + 5708256.

It is an arithmetic number, because the mean of its divisors is an integer number (11416508).

Almost surely, 2^34249521 is an apocalyptic number.

It is an amenable number.

34249521 is a deficient number, since it is larger than the sum of its proper divisors (11416511).

34249521 is a wasteful number, since it uses less digits than its factorization.

34249521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416510.

The product of its digits is 8640, while the sum is 30.

The square root of 34249521 is about 5852.3090314849. The cubic root of 34249521 is about 324.7517504636.

The spelling of 34249521 in words is "thirty-four million, two hundred forty-nine thousand, five hundred twenty-one".