39052509 has 4 divisors (see below), whose sum is σ = 52070016. Its totient is φ = 26035004.

The previous prime is 39052487. The next prime is 39052511. The reversal of 39052509 is 90525093.

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 a cyclic number.

It is not a de Polignac number, because 39052509 - 2⁵ = 39052477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39052509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39052109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508749 + ... + 6508754.

It is an arithmetic number, because the mean of its divisors is an integer number (13017504).

Almost surely, 2^39052509 is an apocalyptic number.

It is an amenable number.

39052509 is a deficient number, since it is larger than the sum of its proper divisors (13017507).

39052509 is a wasteful number, since it uses less digits than its factorization.

39052509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13017506.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 39052509 is about 6249.2006688856. The cubic root of 39052509 is about 339.2732718782.

The spelling of 39052509 in words is "thirty-nine million, fifty-two thousand, five hundred nine".