25054189 has 2 divisors, whose sum is σ = 25054190. Its totient is φ = 25054188.

The previous prime is 25054187. The next prime is 25054207. The reversal of 25054189 is 98145052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 2301289 = 4770^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 25054189 - 2¹ = 25054187 is a prime.

Together with 25054187, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_1569094 and since 25054189 and 1569094 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25054187) 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 as a sum of consecutive naturals, namely, 12527094 + 12527095.

It is an arithmetic number, because the mean of its divisors is an integer number (12527095).

Almost surely, 2^25054189 is an apocalyptic number.

It is an amenable number.

25054189 is a deficient number, since it is larger than the sum of its proper divisors (1).

25054189 is an equidigital number, since it uses as much as digits as its factorization.

25054189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 25054189 is about 5005.4159667304. The cubic root of 25054189 is about 292.6128874905.

The spelling of 25054189 in words is "twenty-five million, fifty-four thousand, one hundred eighty-nine".