1328464225 has 24 divisors (see below), whose sum is σ = 1801884672. Its totient is φ = 963556800.

The previous prime is 1328464217. The next prime is 1328464253. The reversal of 1328464225 is 5224648231.

It is not a de Polignac number, because 1328464225 - 2³ = 1328464217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99019 + ... + 111631.

It is an arithmetic number, because the mean of its divisors is an integer number (75078528).

Almost surely, 2^1328464225 is an apocalyptic number.

It is an amenable number.

1328464225 is a deficient number, since it is larger than the sum of its proper divisors (473420447).

1328464225 is a wasteful number, since it uses less digits than its factorization.

1328464225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13017 (or 13012 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 1328464225 is about 36448.1031742394. The cubic root of 1328464225 is about 1099.3009952993.

The spelling of 1328464225 in words is "one billion, three hundred twenty-eight million, four hundred sixty-four thousand, two hundred twenty-five".