1303563560 has 64 divisors (see below), whose sum is σ = 3183667200. Its totient is φ = 477501696.

The previous prime is 1303563497. The next prime is 1303563563. The reversal of 1303563560 is 653653031.

It is not an unprimeable number, because it can be changed into a prime (1303563563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56171 + ... + 75909.

It is an arithmetic number, because the mean of its divisors is an integer number (49744800).

Almost surely, 2^1303563560 is an apocalyptic number.

1303563560 is a gapful number since it is divisible by the number (10) 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 1303563560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591833600).

1303563560 is an abundant number, since it is smaller than the sum of its proper divisors (1880103640).

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

1303563560 is a wasteful number, since it uses less digits than its factorization.

1303563560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19890 (or 19886 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 1303563560 is about 36104.8966208186. The cubic root of 1303563560 is about 1092.3892152900.

The spelling of 1303563560 in words is "one billion, three hundred three million, five hundred sixty-three thousand, five hundred sixty".