1325535552 has 168 divisors, whose sum is σ = 4179064032. Its totient is φ = 398361600.

The previous prime is 1325535529. The next prime is 1325535569. The reversal of 1325535552 is 2555355231.

1325535552 is a `hidden beast` number, since 1 + 3 + 2 + 553 + 55 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 829218 + ... + 830814.

Almost surely, 2^1325535552 is an apocalyptic number.

1325535552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325535552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089532016).

1325535552 is an abundant number, since it is smaller than the sum of its proper divisors (2853528480).

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

1325535552 is a wasteful number, since it uses less digits than its factorization.

1325535552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1744 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 1325535552 is about 36407.9050756838. The cubic root of 1325535552 is about 1098.4925776204.

The spelling of 1325535552 in words is "one billion, three hundred twenty-five million, five hundred thirty-five thousand, five hundred fifty-two".