543505252 has 6 divisors (see below), whose sum is σ = 951134198. Its totient is φ = 271752624.

The previous prime is 543505231. The next prime is 543505297. The reversal of 543505252 is 252505345.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 457275456 + 86229796 = 21384^2 + 9286^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67938153 + ... + 67938160.

Almost surely, 2^543505252 is an apocalyptic number.

It is an amenable number.

543505252 is a deficient number, since it is larger than the sum of its proper divisors (407628946).

543505252 is a wasteful number, since it uses less digits than its factorization.

543505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135876317 (or 135876315 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 543505252 is about 23313.1990940754. The cubic root of 543505252 is about 816.0834709723.

The spelling of 543505252 in words is "five hundred forty-three million, five hundred five thousand, two hundred fifty-two".