252756547 has 8 divisors (see below), whose sum is σ = 269907840. Its totient is φ = 236167680.

The previous prime is 252756533. The next prime is 252756571. The reversal of 252756547 is 745657252.

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 252756547 - 2⁷ = 252756419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252756347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139678 + ... + 141475.

It is an arithmetic number, because the mean of its divisors is an integer number (33738480).

Almost surely, 2^252756547 is an apocalyptic number.

252756547 is a deficient number, since it is larger than the sum of its proper divisors (17151293).

252756547 is a wasteful number, since it uses less digits than its factorization.

252756547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281213.

The product of its digits is 588000, while the sum is 43.

The square root of 252756547 is about 15898.3189991898. The cubic root of 252756547 is about 632.2674212450.

It can be divided in two parts, 25 and 2756547, that added together give a palindrome (2756572).

The spelling of 252756547 in words is "two hundred fifty-two million, seven hundred fifty-six thousand, five hundred forty-seven".