34445521 has 8 divisors (see below), whose sum is σ = 37620000. Its totient is φ = 31278240.

The previous prime is 34445503. The next prime is 34445527. The reversal of 34445521 is 12554443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34445521 - 2⁷ = 34445393 is a prime.

It is a super-2 number, since 2×34445521² = 2372987833922882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34445521.

It is not an unprimeable number, because it can be changed into a prime (34445527) 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 7 ways as a sum of consecutive naturals, for example, 15445 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (4702500).

Almost surely, 2^34445521 is an apocalyptic number.

It is an amenable number.

34445521 is a deficient number, since it is larger than the sum of its proper divisors (3174479).

34445521 is a wasteful number, since it uses less digits than its factorization.

34445521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599.

The product of its digits is 9600, while the sum is 28.

The square root of 34445521 is about 5869.0306695399. The cubic root of 34445521 is about 325.3700589484.

Adding to 34445521 its reverse (12554443), we get a palindrome (46999964).

The spelling of 34445521 in words is "thirty-four million, four hundred forty-five thousand, five hundred twenty-one".