20589325 has 6 divisors (see below), whose sum is σ = 25530794. Its totient is φ = 16471440.

The previous prime is 20589323. The next prime is 20589341. The reversal of 20589325 is 52398502.

It can be written as a sum of positive squares in 3 ways, for example, as 777924 + 19811401 = 882^2 + 4451^2 .

It is not a de Polignac number, because 20589325 - 2¹ = 20589323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20589323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411762 + ... + 411811.

Almost surely, 2^20589325 is an apocalyptic number.

20589325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20589325 is a deficient number, since it is larger than the sum of its proper divisors (4941469).

20589325 is an equidigital number, since it uses as much as digits as its factorization.

20589325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823583 (or 823578 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 20589325 is about 4537.5461430161. The cubic root of 20589325 is about 274.0821188142.

The spelling of 20589325 in words is "twenty million, five hundred eighty-nine thousand, three hundred twenty-five".