1825525289 has 8 divisors (see below), whose sum is σ = 2086590528. Its totient is φ = 1564529040.

The previous prime is 1825525267. The next prime is 1825525291. The reversal of 1825525289 is 9825255281.

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

It is a cyclic number.

It is not a de Polignac number, because 1825525289 - 2⁸ = 1825525033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1825525189) 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 in 7 ways as a sum of consecutive naturals, for example, 66734 + ... + 90024.

It is an arithmetic number, because the mean of its divisors is an integer number (260823816).

Almost surely, 2^1825525289 is an apocalyptic number.

It is an amenable number.

1825525289 is a deficient number, since it is larger than the sum of its proper divisors (261065239).

1825525289 is a wasteful number, since it uses less digits than its factorization.

1825525289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34495.

The product of its digits is 576000, while the sum is 47.

The square root of 1825525289 is about 42726.1663269711. The cubic root of 1825525289 is about 1222.1634301934.

The spelling of 1825525289 in words is "one billion, eight hundred twenty-five million, five hundred twenty-five thousand, two hundred eighty-nine".