8033532509 has 4 divisors (see below), whose sum is σ = 8039436540. Its totient is φ = 8027628480.

The previous prime is 8033532487. The next prime is 8033532511. The reversal of 8033532509 is 9052353308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 632371609 + 7401160900 = 25147^2 + 86030^2 .

It is a cyclic number.

It is not a de Polignac number, because 8033532509 - 2²⁴ = 8016755293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8033532539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2949974 + ... + 2952695.

It is an arithmetic number, because the mean of its divisors is an integer number (2009859135).

Almost surely, 2^8033532509 is an apocalyptic number.

It is an amenable number.

8033532509 is a deficient number, since it is larger than the sum of its proper divisors (5904031).

8033532509 is a wasteful number, since it uses less digits than its factorization.

8033532509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904030.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 8033532509 is about 89629.9755048499. The cubic root of 8033532509 is about 2002.7904805484.

The spelling of 8033532509 in words is "eight billion, thirty-three million, five hundred thirty-two thousand, five hundred nine".