252543511 has 8 divisors (see below), whose sum is σ = 275618304. Its totient is φ = 229488120.

The previous prime is 252543509. The next prime is 252543539. The reversal of 252543511 is 115345252.

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

It is a cyclic number.

It is not a de Polignac number, because 252543511 - 2¹ = 252543509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252543511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252543581) 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, 42616 + ... + 48178.

It is an arithmetic number, because the mean of its divisors is an integer number (34452288).

Almost surely, 2^252543511 is an apocalyptic number.

252543511 is a deficient number, since it is larger than the sum of its proper divisors (23074793).

252543511 is a wasteful number, since it uses less digits than its factorization.

252543511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701.

The product of its digits is 6000, while the sum is 28.

The square root of 252543511 is about 15891.6176332052. The cubic root of 252543511 is about 632.0897356625.

Adding to 252543511 its reverse (115345252), we get a palindrome (367888763).

The spelling of 252543511 in words is "two hundred fifty-two million, five hundred forty-three thousand, five hundred eleven".