1329250552 has 16 divisors (see below), whose sum is σ = 2848394160. Its totient is φ = 569678784.

The previous prime is 1329250543. The next prime is 1329250577. The reversal of 1329250552 is 2550529231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868253 + ... + 11868364.

It is an arithmetic number, because the mean of its divisors is an integer number (178024635).

Almost surely, 2^1329250552 is an apocalyptic number.

It is an amenable number.

1329250552 is an abundant number, since it is smaller than the sum of its proper divisors (1519143608).

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

1329250552 is a wasteful number, since it uses less digits than its factorization.

1329250552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736630 (or 23736626 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1329250552 is about 36458.8885184395. Note that the first 3 decimals coincide. The cubic root of 1329250552 is about 1099.5178470954.

Adding to 1329250552 its reverse (2550529231), we get a palindrome (3879779783).

The spelling of 1329250552 in words is "one billion, three hundred twenty-nine million, two hundred fifty thousand, five hundred fifty-two".