325452521 has 4 divisors (see below), whose sum is σ = 325959312. Its totient is φ = 324945732.

The previous prime is 325452511. The next prime is 325452541. The reversal of 325452521 is 125254523.

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 a de Polignac number, because none of the positive numbers 2^k-325452521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325452511) 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 3 ways as a sum of consecutive naturals, for example, 252431 + ... + 253716.

It is an arithmetic number, because the mean of its divisors is an integer number (81489828).

Almost surely, 2^325452521 is an apocalyptic number.

It is an amenable number.

325452521 is a deficient number, since it is larger than the sum of its proper divisors (506791).

325452521 is an equidigital number, since it uses as much as digits as its factorization.

325452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506790.

The product of its digits is 12000, while the sum is 29.

The square root of 325452521 is about 18040.3026859307. The cubic root of 325452521 is about 687.8533868509.

The spelling of 325452521 in words is "three hundred twenty-five million, four hundred fifty-two thousand, five hundred twenty-one".