252282666 has 8 divisors (see below), whose sum is σ = 504565344. Its totient is φ = 84094220.

The previous prime is 252282649. The next prime is 252282683. The reversal of 252282666 is 666282252.

It is an interprime number because it is at equal distance from previous prime (252282649) and next prime (252282683).

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

252282666 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 21023550 + ... + 21023561.

It is an arithmetic number, because the mean of its divisors is an integer number (63070668).

Almost surely, 2^252282666 is an apocalyptic number.

252282666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252282666 is a wasteful number, since it uses less digits than its factorization.

252282666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42047116.

The product of its digits is 138240, while the sum is 39.

The square root of 252282666 is about 15883.4085132883. The cubic root of 252282666 is about 631.8720381988.

The spelling of 252282666 in words is "two hundred fifty-two million, two hundred eighty-two thousand, six hundred sixty-six".