325204505 has 4 divisors (see below), whose sum is σ = 390245412. Its totient is φ = 260163600.

The previous prime is 325204493. The next prime is 325204511. The reversal of 325204505 is 505402523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505402523 = 1307 ⋅386689.

It can be written as a sum of positive squares in 2 ways, for example, as 211760704 + 113443801 = 14552^2 + 10651^2 .

It is not a de Polignac number, because 325204505 - 2¹⁶ = 325138969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 32520446 + ... + 32520455.

It is an arithmetic number, because the mean of its divisors is an integer number (97561353).

Almost surely, 2^325204505 is an apocalyptic number.

It is an amenable number.

325204505 is a deficient number, since it is larger than the sum of its proper divisors (65040907).

325204505 is an equidigital number, since it uses as much as digits as its factorization.

325204505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65040906.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 325204505 is about 18033.4274335191. The cubic root of 325204505 is about 687.6786127659.

The spelling of 325204505 in words is "three hundred twenty-five million, two hundred four thousand, five hundred five".