325538645 has 4 divisors (see below), whose sum is σ = 390646380. Its totient is φ = 260430912.

The previous prime is 325538641. The next prime is 325538663. The reversal of 325538645 is 546835523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 252110884 + 73427761 = 15878^2 + 8569^2 .

It is a cyclic number.

It is not a de Polignac number, because 325538645 - 2² = 325538641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325538641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32553860 + ... + 32553869.

It is an arithmetic number, because the mean of its divisors is an integer number (97661595).

Almost surely, 2^325538645 is an apocalyptic number.

It is an amenable number.

325538645 is a deficient number, since it is larger than the sum of its proper divisors (65107735).

325538645 is an equidigital number, since it uses as much as digits as its factorization.

325538645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65107734.

The product of its digits is 432000, while the sum is 41.

The square root of 325538645 is about 18042.6895168098. The cubic root of 325538645 is about 687.9140566941.

The spelling of 325538645 in words is "three hundred twenty-five million, five hundred thirty-eight thousand, six hundred forty-five".