561107471 has 16 divisors (see below), whose sum is σ = 607272960. Its totient is φ = 516922560.

The previous prime is 561107441. The next prime is 561107551. The reversal of 561107471 is 174701165.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561107471 is a prime.

It is a super-3 number, since 3×561107471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561107431) 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, 157235 + ... + 160763.

It is an arithmetic number, because the mean of its divisors is an integer number (37954560).

Almost surely, 2^561107471 is an apocalyptic number.

561107471 is a deficient number, since it is larger than the sum of its proper divisors (46165489).

561107471 is a wasteful number, since it uses less digits than its factorization.

561107471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 561107471 is about 23687.7071705980. The cubic root of 561107471 is about 824.8000597819.

The spelling of 561107471 in words is "five hundred sixty-one million, one hundred seven thousand, four hundred seventy-one".