252535549 has 4 divisors (see below), whose sum is σ = 288612064. Its totient is φ = 216459036.

The previous prime is 252535537. The next prime is 252535553. The reversal of 252535549 is 945535252.

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 252535549 - 2¹³ = 252527357 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 (252535519) 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 3 ways as a sum of consecutive naturals, for example, 18038247 + ... + 18038260.

It is an arithmetic number, because the mean of its divisors is an integer number (72153016).

Almost surely, 2^252535549 is an apocalyptic number.

It is an amenable number.

252535549 is a deficient number, since it is larger than the sum of its proper divisors (36076515).

252535549 is an equidigital number, since it uses as much as digits as its factorization.

252535549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36076514.

The product of its digits is 270000, while the sum is 40.

The square root of 252535549 is about 15891.3671218055. The cubic root of 252535549 is about 632.0830929110.

The spelling of 252535549 in words is "two hundred fifty-two million, five hundred thirty-five thousand, five hundred forty-nine".