252911069 has 4 divisors (see below), whose sum is σ = 254324160. Its totient is φ = 251497980.

The previous prime is 252911053. The next prime is 252911093. The reversal of 252911069 is 960119252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252911069 - 2⁴ = 252911053 is a prime.

It is a super-2 number, since 2×252911069² = 127928017645445522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252911039) 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 3 ways as a sum of consecutive naturals, for example, 706277 + ... + 706634.

It is an arithmetic number, because the mean of its divisors is an integer number (63581040).

Almost surely, 2^252911069 is an apocalyptic number.

It is an amenable number.

252911069 is a deficient number, since it is larger than the sum of its proper divisors (1413091).

252911069 is a wasteful number, since it uses less digits than its factorization.

252911069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413090.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 252911069 is about 15903.1779528495. The cubic root of 252911069 is about 632.3962399641.

The spelling of 252911069 in words is "two hundred fifty-two million, nine hundred eleven thousand, sixty-nine".