252500189 has 2 divisors, whose sum is σ = 252500190. Its totient is φ = 252500188.

The previous prime is 252500147. The next prime is 252500191. The reversal of 252500189 is 981005252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247527289 + 4972900 = 15733^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 252500189 - 2²⁴ = 235722973 is a prime.

Together with 252500191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252500119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250094 + 126250095.

It is an arithmetic number, because the mean of its divisors is an integer number (126250095).

Almost surely, 2^252500189 is an apocalyptic number.

It is an amenable number.

252500189 is a deficient number, since it is larger than the sum of its proper divisors (1).

252500189 is an equidigital number, since it uses as much as digits as its factorization.

252500189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 252500189 is about 15890.2545291131. The cubic root of 252500189 is about 632.0535901321.

The spelling of 252500189 in words is "two hundred fifty-two million, five hundred thousand, one hundred eighty-nine".