325541521 has 4 divisors (see below), whose sum is σ = 329463792. Its totient is φ = 321619252.

The previous prime is 325541477. The next prime is 325541569. The reversal of 325541521 is 125145523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 325541521 - 2²⁵ = 291987089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325541521.

It is not an unprimeable number, because it can be changed into a prime (325541921) 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, 1961011 + ... + 1961176.

It is an arithmetic number, because the mean of its divisors is an integer number (82365948).

Almost surely, 2^325541521 is an apocalyptic number.

It is an amenable number.

325541521 is a deficient number, since it is larger than the sum of its proper divisors (3922271).

325541521 is an equidigital number, since it uses as much as digits as its factorization.

325541521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922270.

The product of its digits is 6000, while the sum is 28.

The square root of 325541521 is about 18042.7692165033. The cubic root of 325541521 is about 687.9160825007.

The spelling of 325541521 in words is "three hundred twenty-five million, five hundred forty-one thousand, five hundred twenty-one".