1325082660 has 48 divisors (see below), whose sum is σ = 4047527232. Its totient is φ = 321232000.

The previous prime is 1325082659. The next prime is 1325082673. The reversal of 1325082660 is 662805231.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003191 + ... + 1004510.

It is an arithmetic number, because the mean of its divisors is an integer number (84323484).

Almost surely, 2^1325082660 is an apocalyptic number.

1325082660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325082660 is an abundant number, since it is smaller than the sum of its proper divisors (2722444572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325082660 is a wasteful number, since it uses less digits than its factorization.

1325082660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007724 (or 2007722 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1325082660 is about 36401.6848511164. The cubic root of 1325082660 is about 1098.3674570807.

Adding to 1325082660 its reverse (662805231), we get a palindrome (1987887891).

The spelling of 1325082660 in words is "one billion, three hundred twenty-five million, eighty-two thousand, six hundred sixty".