32052509 has 4 divisors (see below), whose sum is σ = 32144700. Its totient is φ = 31960320.

The previous prime is 32052499. The next prime is 32052539. The reversal of 32052509 is 90525023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90525023 = 191 ⋅473953.

It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 7022500 = 5003^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 32052509 - 2¹⁶ = 31986973 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 (32052539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45572 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (8036175).

Almost surely, 2^32052509 is an apocalyptic number.

It is an amenable number.

32052509 is a deficient number, since it is larger than the sum of its proper divisors (92191).

32052509 is an equidigital number, since it uses as much as digits as its factorization.

32052509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92190.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 32052509 is about 5661.4935308627. The cubic root of 32052509 is about 317.6537672519.

The spelling of 32052509 in words is "thirty-two million, fifty-two thousand, five hundred nine".