252788206 has 16 divisors (see below), whose sum is σ = 423744048. Its totient is φ = 112100800.

The previous prime is 252788197. The next prime is 252788227. The reversal of 252788206 is 602887252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139225 + ... + 141028.

It is an arithmetic number, because the mean of its divisors is an integer number (26484003).

Almost surely, 2^252788206 is an apocalyptic number.

252788206 is a deficient number, since it is larger than the sum of its proper divisors (170955842).

252788206 is a wasteful number, since it uses less digits than its factorization.

252788206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280307.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 252788206 is about 15899.3146393170. The cubic root of 252788206 is about 632.2938183438.

The spelling of 252788206 in words is "two hundred fifty-two million, seven hundred eighty-eight thousand, two hundred six".