252555530 has 8 divisors (see below), whose sum is σ = 454599972. Its totient is φ = 101022208.

The previous prime is 252555521. The next prime is 252555533. The reversal of 252555530 is 35555252.

It can be written as a sum of positive squares in 2 ways, for example, as 235407649 + 17147881 = 15343^2 + 4141^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252555533) 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 3 ways as a sum of consecutive naturals, for example, 12627767 + ... + 12627786.

Almost surely, 2^252555530 is an apocalyptic number.

252555530 is a deficient number, since it is larger than the sum of its proper divisors (202044442).

252555530 is a wasteful number, since it uses less digits than its factorization.

252555530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25255560.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 252555530 is about 15891.9957840417. The cubic root of 252555530 is about 632.0997629326.

The spelling of 252555530 in words is "two hundred fifty-two million, five hundred fifty-five thousand, five hundred thirty".