252543635 has 8 divisors (see below), whose sum is σ = 303177696. Its totient is φ = 201951360.

The previous prime is 252543631. The next prime is 252543667. The reversal of 252543635 is 536345252.

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

It is not a de Polignac number, because 252543635 - 2² = 252543631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252543595 and 252543604.

It is not an unprimeable number, because it can be changed into a prime (252543631) 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, 4907 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (37897212).

Almost surely, 2^252543635 is an apocalyptic number.

252543635 is a deficient number, since it is larger than the sum of its proper divisors (50634061).

252543635 is a wasteful number, since it uses less digits than its factorization.

252543635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20893.

The product of its digits is 108000, while the sum is 35.

The square root of 252543635 is about 15891.6215346326. The cubic root of 252543635 is about 632.0898391154.

Adding to 252543635 its reverse (536345252), we get a palindrome (788888887).

The spelling of 252543635 in words is "two hundred fifty-two million, five hundred forty-three thousand, six hundred thirty-five".