1325832815 has 16 divisors (see below), whose sum is σ = 1670770368. Its totient is φ = 1008074496.

The previous prime is 1325832811. The next prime is 1325832829. The reversal of 1325832815 is 5182385231.

It is a cyclic number.

It is not a de Polignac number, because 1325832815 - 2² = 1325832811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325832811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18662 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (104423148).

Almost surely, 2^1325832815 is an apocalyptic number.

1325832815 is a deficient number, since it is larger than the sum of its proper divisors (344937553).

1325832815 is a wasteful number, since it uses less digits than its factorization.

1325832815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73618.

The product of its digits is 57600, while the sum is 38.

The square root of 1325832815 is about 36411.9872432143. The cubic root of 1325832815 is about 1098.5746870218.

The spelling of 1325832815 in words is "one billion, three hundred twenty-five million, eight hundred thirty-two thousand, eight hundred fifteen".