560131309 has 4 divisors (see below), whose sum is σ = 569625120. Its totient is φ = 550637500.

The previous prime is 560131307. The next prime is 560131333. The reversal of 560131309 is 903131065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 560131309 - 2¹ = 560131307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560131307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746817 + ... + 4746934.

It is an arithmetic number, because the mean of its divisors is an integer number (142406280).

Almost surely, 2^560131309 is an apocalyptic number.

560131309 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

560131309 is a deficient number, since it is larger than the sum of its proper divisors (9493811).

560131309 is an equidigital number, since it uses as much as digits as its factorization.

560131309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493810.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 560131309 is about 23667.0933787823. The cubic root of 560131309 is about 824.3214789569.

The spelling of 560131309 in words is "five hundred sixty million, one hundred thirty-one thousand, three hundred nine".