34253521 has 8 divisors (see below), whose sum is σ = 36356040. Its totient is φ = 32160768.

The previous prime is 34253507. The next prime is 34253533. The reversal of 34253521 is 12535243.

It can be written as a sum of positive squares in 4 ways, for example, as 7617600 + 26635921 = 2760^2 + 5161^2 .

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 34253521 - 2⁵ = 34253489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34253501) 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, 5565 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (4544505).

Almost surely, 2^34253521 is an apocalyptic number.

It is an amenable number.

34253521 is a deficient number, since it is larger than the sum of its proper divisors (2102519).

34253521 is a wasteful number, since it uses less digits than its factorization.

34253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883.

The product of its digits is 3600, while the sum is 25.

The square root of 34253521 is about 5852.6507669602. The cubic root of 34253521 is about 324.7643925522.

Adding to 34253521 its reverse (12535243), we get a palindrome (46788764).

It can be divided in two parts, 3 and 4253521, that added together give a palindrome (4253524).

The spelling of 34253521 in words is "thirty-four million, two hundred fifty-three thousand, five hundred twenty-one".