252626689 has 8 divisors (see below), whose sum is σ = 288860480. Its totient is φ = 216428976.

The previous prime is 252626663. The next prime is 252626729. The reversal of 252626689 is 986626252.

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

It is a cyclic number.

It is not a de Polignac number, because 252626689 - 2⁹ = 252626177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252626609) 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 7 ways as a sum of consecutive naturals, for example, 8182 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (36107560).

Almost surely, 2^252626689 is an apocalyptic number.

It is an amenable number.

252626689 is a deficient number, since it is larger than the sum of its proper divisors (36233791).

252626689 is a wasteful number, since it uses less digits than its factorization.

252626689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039.

The product of its digits is 622080, while the sum is 46.

The square root of 252626689 is about 15894.2344578152. The cubic root of 252626689 is about 632.1591232949.

The spelling of 252626689 in words is "two hundred fifty-two million, six hundred twenty-six thousand, six hundred eighty-nine".