352534509 has 12 divisors (see below), whose sum is σ = 509437500. Its totient is φ = 234921024.

The previous prime is 352534487. The next prime is 352534513. The reversal of 352534509 is 905435253.

It can be written as a sum of positive squares in 2 ways, for example, as 142922025 + 209612484 = 11955^2 + 14478^2 .

It is not a de Polignac number, because 352534509 - 2⁵ = 352534477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352534549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17617 + ... + 31865.

It is an arithmetic number, because the mean of its divisors is an integer number (42453125).

Almost surely, 2^352534509 is an apocalyptic number.

It is an amenable number.

352534509 is a deficient number, since it is larger than the sum of its proper divisors (156902991).

352534509 is a wasteful number, since it uses less digits than its factorization.

352534509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004 (or 17001 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 352534509 is about 18775.9023484891. The cubic root of 352534509 is about 706.4268732453.

The spelling of 352534509 in words is "three hundred fifty-two million, five hundred thirty-four thousand, five hundred nine".