1560013009 has 9 divisors (see below), whose sum is σ = 1577465481. Its totient is φ = 1542752820.

The previous prime is 1560013001. The next prime is 1560013057. The reversal of 1560013009 is 9003100651.

The square root of 1560013009 is 39497.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1560013009 - 2³ = 1560013001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1560013001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5015964 + ... + 5016274.

Almost surely, 2^1560013009 is an apocalyptic number.

1560013009 is the 39497-th square number.

1560013009 is the 19749-th centered octagonal number.

It is an amenable number.

1560013009 is a deficient number, since it is larger than the sum of its proper divisors (17452472).

1560013009 is an frugal number, since it uses more digits than its factorization.

1560013009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The cubic root of 1560013009 is about 1159.7812233567.

Multiplying 1560013009 by its sum of digits (25), we get a square (39000325225 = 197485²).

The spelling of 1560013009 in words is "one billion, five hundred sixty million, thirteen thousand, nine".