1305255532 has 36 divisors (see below), whose sum is σ = 2659207320. Its totient is φ = 558957504.

The previous prime is 1305255509. The next prime is 1305255533. The reversal of 1305255532 is 2355525031.

It is a junction number, because it is equal to n+sod(n) for n = 1305255494 and 1305255503.

It is not an unprimeable number, because it can be changed into a prime (1305255533) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 438144 + ... + 441112.

It is an arithmetic number, because the mean of its divisors is an integer number (73866870).

Almost surely, 2^1305255532 is an apocalyptic number.

It is an amenable number.

1305255532 is an abundant number, since it is smaller than the sum of its proper divisors (1353951788).

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

1305255532 is a wasteful number, since it uses less digits than its factorization.

1305255532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1305255532 is about 36128.3203595185. The cubic root of 1305255532 is about 1092.8616364103.

The spelling of 1305255532 in words is "one billion, three hundred five million, two hundred fifty-five thousand, five hundred thirty-two".