253025189 has 2 divisors, whose sum is σ = 253025190. Its totient is φ = 253025188.

The previous prime is 253025173. The next prime is 253025191. The reversal of 253025189 is 981520352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196925089 + 56100100 = 14033^2 + 7490^2 .

It is a cyclic number.

It is not a de Polignac number, because 253025189 - 2⁴ = 253025173 is a prime.

Together with 253025191, 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 (253025119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126512594 + 126512595.

It is an arithmetic number, because the mean of its divisors is an integer number (126512595).

Almost surely, 2^253025189 is an apocalyptic number.

It is an amenable number.

253025189 is a deficient number, since it is larger than the sum of its proper divisors (1).

253025189 is an equidigital number, since it uses as much as digits as its factorization.

253025189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 253025189 is about 15906.7655103104. The cubic root of 253025189 is about 632.4913434947.

The spelling of 253025189 in words is "two hundred fifty-three million, twenty-five thousand, one hundred eighty-nine".