252018663 has 8 divisors (see below), whose sum is σ = 361873008. Its totient is φ = 155088384.

The previous prime is 252018661. The next prime is 252018667. The reversal of 252018663 is 366810252.

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

It is not a de Polignac number, because 252018663 - 2¹ = 252018661 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252018661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230970 + ... + 3231047.

It is an arithmetic number, because the mean of its divisors is an integer number (45234126).

Almost surely, 2^252018663 is an apocalyptic number.

252018663 is a deficient number, since it is larger than the sum of its proper divisors (109854345).

252018663 is a wasteful number, since it uses less digits than its factorization.

252018663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462033.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 252018663 is about 15875.0956847510. The cubic root of 252018663 is about 631.6515522669.

The spelling of 252018663 in words is "two hundred fifty-two million, eighteen thousand, six hundred sixty-three".