1305535505 has 8 divisors (see below), whose sum is σ = 1649097600. Its totient is φ = 989458416.

The previous prime is 1305535501. The next prime is 1305535507. The reversal of 1305535505 is 5055355031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305535505 - 2² = 1305535501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305535501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871145 + ... + 6871334.

It is an arithmetic number, because the mean of its divisors is an integer number (206137200).

Almost surely, 2^1305535505 is an apocalyptic number.

It is an amenable number.

1305535505 is a deficient number, since it is larger than the sum of its proper divisors (343562095).

1305535505 is a wasteful number, since it uses less digits than its factorization.

1305535505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742503.

The product of its (nonzero) digits is 28125, while the sum is 32.

The square root of 1305535505 is about 36132.1948544508. The cubic root of 1305535505 is about 1092.9397692278.

The spelling of 1305535505 in words is "one billion, three hundred five million, five hundred thirty-five thousand, five hundred five".