324609365025 has 135 divisors (see below), whose sum is σ = 661495410499. Its totient is φ = 157249620000.

The previous prime is 324609365023. The next prime is 324609365033. The reversal of 324609365025 is 520563906423.

The square root of 324609365025 is 569745.

It is a perfect power (a square), and thus also a powerful number.

324609365025 is a `hidden beast` number, since 3 + 2 + 4 + 609 + 36 + 5 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116859371409 + 207749993616 = 341847^2 + 455796^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 324609365025 - 2¹ = 324609365023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (324609365023) 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 134 ways as a sum of consecutive naturals, for example, 282023200 + ... + 282024350.

Almost surely, 2^324609365025 is an apocalyptic number.

324609365025 is the 569745-th square number.

324609365025 is the 284873-rd centered octagonal number.

It is an amenable number.

324609365025 is an abundant number, since it is smaller than the sum of its proper divisors (336886045474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

324609365025 is an equidigital number, since it uses as much as digits as its factorization.

324609365025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 324609365025 in words is "three hundred twenty-four billion, six hundred nine million, three hundred sixty-five thousand, twenty-five".