252005289 has 8 divisors (see below), whose sum is σ = 336095040. Its totient is φ = 167959536.

The previous prime is 252005287. The next prime is 252005317. The reversal of 252005289 is 982500252.

252005289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 252005289 - 2¹ = 252005287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252005287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6219 + ... + 23295.

It is an arithmetic number, because the mean of its divisors is an integer number (42011880).

Almost surely, 2^252005289 is an apocalyptic number.

It is an amenable number.

252005289 is a deficient number, since it is larger than the sum of its proper divisors (84089751).

252005289 is a wasteful number, since it uses less digits than its factorization.

252005289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21999.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 252005289 is about 15874.6744533549. The cubic root of 252005289 is about 631.6403786799.

The spelling of 252005289 in words is "two hundred fifty-two million, five thousand, two hundred eighty-nine".