252535309 has 8 divisors (see below), whose sum is σ = 274104320. Its totient is φ = 231272496.

The previous prime is 252535267. The next prime is 252535313. The reversal of 252535309 is 903535252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252535309 - 2¹³ = 252527117 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 (252535369) 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 7 ways as a sum of consecutive naturals, for example, 74829 + ... + 78130.

It is an arithmetic number, because the mean of its divisors is an integer number (34263040).

Almost surely, 2^252535309 is an apocalyptic number.

It is an amenable number.

252535309 is a deficient number, since it is larger than the sum of its proper divisors (21569011).

252535309 is a wasteful number, since it uses less digits than its factorization.

252535309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153099.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 252535309 is about 15891.3595705339. The cubic root of 252535309 is about 632.0828926752.

The spelling of 252535309 in words is "two hundred fifty-two million, five hundred thirty-five thousand, three hundred nine".