252261885 has 8 divisors (see below), whose sum is σ = 403619040. Its totient is φ = 134539664.

The previous prime is 252261881. The next prime is 252261899. The reversal of 252261885 is 588162252.

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 252261885 - 2² = 252261881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252261881) by changing a digit.

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, 8408715 + ... + 8408744.

It is an arithmetic number, because the mean of its divisors is an integer number (50452380).

Almost surely, 2^252261885 is an apocalyptic number.

It is an amenable number.

252261885 is a deficient number, since it is larger than the sum of its proper divisors (151357155).

252261885 is a wasteful number, since it uses less digits than its factorization.

252261885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16817467.

The product of its digits is 76800, while the sum is 39.

The square root of 252261885 is about 15882.7543266274. The cubic root of 252261885 is about 631.8546882244.

The spelling of 252261885 in words is "two hundred fifty-two million, two hundred sixty-one thousand, eight hundred eighty-five".