164302025 has 24 divisors (see below), whose sum is σ = 227083680. Its totient is φ = 117192960.

The previous prime is 164302009. The next prime is 164302027. The reversal of 164302025 is 520203461.

It is not a de Polignac number, because 164302025 - 2⁴ = 164302009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164302027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2099 + ... + 18248.

It is an arithmetic number, because the mean of its divisors is an integer number (9461820).

Almost surely, 2^164302025 is an apocalyptic number.

It is an amenable number.

164302025 is a deficient number, since it is larger than the sum of its proper divisors (62781655).

164302025 is a wasteful number, since it uses less digits than its factorization.

164302025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20393 (or 20388 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 164302025 is about 12818.0351458404. The cubic root of 164302025 is about 547.7061767358.

Adding to 164302025 its reverse (520203461), we get a palindrome (684505486).

The spelling of 164302025 in words is "one hundred sixty-four million, three hundred two thousand, twenty-five".