325680521 has 4 divisors (see below), whose sum is σ = 330141972. Its totient is φ = 321219072.

The previous prime is 325680473. The next prime is 325680559. The reversal of 325680521 is 125086523.

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 160300921 + 165379600 = 12661^2 + 12860^2 .

It is a cyclic number.

It is not a de Polignac number, because 325680521 - 2⁶ = 325680457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325680221) 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, 2230616 + ... + 2230761.

It is an arithmetic number, because the mean of its divisors is an integer number (82535493).

Almost surely, 2^325680521 is an apocalyptic number.

It is an amenable number.

325680521 is a deficient number, since it is larger than the sum of its proper divisors (4461451).

325680521 is an equidigital number, since it uses as much as digits as its factorization.

325680521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461450.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 325680521 is about 18046.6207640101. The cubic root of 325680521 is about 688.0139775700.

The spelling of 325680521 in words is "three hundred twenty-five million, six hundred eighty thousand, five hundred twenty-one".