1323530325 has 144 divisors (see below), whose sum is σ = 2770447680. Its totient is φ = 598026240.

The previous prime is 1323530317. The next prime is 1323530347. The reversal of 1323530325 is 5230353231.

It is not a de Polignac number, because 1323530325 - 2³ = 1323530317 is a prime.

It is a super-3 number, since 3×1323530325³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 2137866 + ... + 2138484.

It is an arithmetic number, because the mean of its divisors is an integer number (19239220).

Almost surely, 2^1323530325 is an apocalyptic number.

1323530325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1323530325 is an abundant number, since it is smaller than the sum of its proper divisors (1446917355).

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

1323530325 is a wasteful number, since it uses less digits than its factorization.

1323530325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 1323530325 is about 36380.3563066664. The cubic root of 1323530325 is about 1097.9383768057.

Adding to 1323530325 its reverse (5230353231), we get a palindrome (6553883556).

The spelling of 1323530325 in words is "one billion, three hundred twenty-three million, five hundred thirty thousand, three hundred twenty-five".