560392991 has 4 divisors (see below), whose sum is σ = 560584584. Its totient is φ = 560201400.

The previous prime is 560392957. The next prime is 560392997. The reversal of 560392991 is 199293065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560392991 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 (560392997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91340 + ... + 97281.

It is an arithmetic number, because the mean of its divisors is an integer number (140146146).

Almost surely, 2^560392991 is an apocalyptic number.

560392991 is a deficient number, since it is larger than the sum of its proper divisors (191593).

560392991 is a wasteful number, since it uses less digits than its factorization.

560392991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191592.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 560392991 is about 23672.6211265250. The cubic root of 560392991 is about 824.4498277367.

The spelling of 560392991 in words is "five hundred sixty million, three hundred ninety-two thousand, nine hundred ninety-one".