561079071 has 12 divisors (see below), whose sum is σ = 926225872. Its totient is φ = 320616576.

The previous prime is 561079069. The next prime is 561079097. The reversal of 561079071 is 170970165.

561079071 is a `hidden beast` number, since 561 + 0 + 7 + 90 + 7 + 1 = 666.

561079071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561079071 - 2¹ = 561079069 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 (561079061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4452946 + ... + 4453071.

Almost surely, 2^561079071 is an apocalyptic number.

561079071 is a deficient number, since it is larger than the sum of its proper divisors (365146801).

561079071 is a wasteful number, since it uses less digits than its factorization.

561079071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906030 (or 8906027 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 561079071 is about 23687.1076959598. The cubic root of 561079071 is about 824.7861440182.

It can be divided in two parts, 5610 and 79071, that added together give a square (84681 = 291²).

The spelling of 561079071 in words is "five hundred sixty-one million, seventy-nine thousand, seventy-one".