1305330532 has 24 divisors (see below), whose sum is σ = 2549951712. Its totient is φ = 579532800.

The previous prime is 1305330503. The next prime is 1305330563. The reversal of 1305330532 is 2350335031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1305330497 and 1305330506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343069 + ... + 346852.

It is an arithmetic number, because the mean of its divisors is an integer number (106247988).

Almost surely, 2^1305330532 is an apocalyptic number.

It is an amenable number.

1305330532 is a deficient number, since it is larger than the sum of its proper divisors (1244621180).

1305330532 is a wasteful number, since it uses less digits than its factorization.

1305330532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689979 (or 689977 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 1305330532 is about 36129.3583114896. The cubic root of 1305330532 is about 1092.8825679574.

Adding to 1305330532 its reverse (2350335031), we get a palindrome (3655665563).

The spelling of 1305330532 in words is "one billion, three hundred five million, three hundred thirty thousand, five hundred thirty-two".