252686606 has 8 divisors (see below), whose sum is σ = 401325840. Its totient is φ = 118911328.

The previous prime is 252686597. The next prime is 252686627. The reversal of 252686606 is 606686252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715946 + ... + 3716013.

It is an arithmetic number, because the mean of its divisors is an integer number (50165730).

Almost surely, 2^252686606 is an apocalyptic number.

252686606 is a deficient number, since it is larger than the sum of its proper divisors (148639234).

252686606 is a wasteful number, since it uses less digits than its factorization.

252686606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431978.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 252686606 is about 15896.1192119335. The cubic root of 252686606 is about 632.2090970120.

The spelling of 252686606 in words is "two hundred fifty-two million, six hundred eighty-six thousand, six hundred six".