183725489 has 2 divisors, whose sum is σ = 183725490. Its totient is φ = 183725488.

The previous prime is 183725471. The next prime is 183725501. The reversal of 183725489 is 984527381.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182790400 + 935089 = 13520^2 + 967^2 .

It is an emirp because it is prime and its reverse (984527381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 183725489 - 2¹⁶ = 183659953 is a prime.

It is not a weakly prime, because it can be changed into another prime (183725419) 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, 91862744 + 91862745.

It is an arithmetic number, because the mean of its divisors is an integer number (91862745).

Almost surely, 2^183725489 is an apocalyptic number.

It is an amenable number.

183725489 is a deficient number, since it is larger than the sum of its proper divisors (1).

183725489 is an equidigital number, since it uses as much as digits as its factorization.

183725489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 183725489 is about 13554.5375797185. The cubic root of 183725489 is about 568.4904027380.

The spelling of 183725489 in words is "one hundred eighty-three million, seven hundred twenty-five thousand, four hundred eighty-nine".