1325764825 has 36 divisors (see below), whose sum is σ = 2086219152. Its totient is φ = 826442400.

The previous prime is 1325764813. The next prime is 1325764829. The reversal of 1325764825 is 5284675231.

It is not a de Polignac number, because 1325764825 - 2⁷ = 1325764697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325764829) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35719 + ... + 62668.

It is an arithmetic number, because the mean of its divisors is an integer number (57950532).

Almost surely, 2^1325764825 is an apocalyptic number.

It is an amenable number.

1325764825 is a deficient number, since it is larger than the sum of its proper divisors (760454327).

1325764825 is a wasteful number, since it uses less digits than its factorization.

1325764825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98422 (or 98410 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 1325764825 is about 36411.0536101333. The cubic root of 1325764825 is about 1098.5559080403. Note that the first 3 decimals are identical.

The spelling of 1325764825 in words is "one billion, three hundred twenty-five million, seven hundred sixty-four thousand, eight hundred twenty-five".