66352325 has 12 divisors (see below), whose sum is σ = 88606308. Its totient is φ = 48998400.

The previous prime is 66352283. The next prime is 66352339. The reversal of 66352325 is 52325366.

It can be written as a sum of positive squares in 6 ways, for example, as 29398084 + 36954241 = 5422^2 + 6079^2 .

It is not a de Polignac number, because 66352325 - 2¹⁰ = 66351301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66352291 and 66352300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101756 + ... + 102405.

It is an arithmetic number, because the mean of its divisors is an integer number (7383859).

Almost surely, 2^66352325 is an apocalyptic number.

66352325 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66352325 is a deficient number, since it is larger than the sum of its proper divisors (22253983).

66352325 is a wasteful number, since it uses less digits than its factorization.

66352325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204184 (or 204179 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 66352325 is about 8145.6936475662. The cubic root of 66352325 is about 404.8418322578.

The spelling of 66352325 in words is "sixty-six million, three hundred fifty-two thousand, three hundred twenty-five".