561527841 has 64 divisors (see below), whose sum is σ = 929617920. Its totient is φ = 294658560.

The previous prime is 561527821. The next prime is 561527851. The reversal of 561527841 is 148725165.

It is not a de Polignac number, because 561527841 - 2¹³ = 561519649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561527841.

It is not an unprimeable number, because it can be changed into a prime (561527821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1073406 + ... + 1073928.

It is an arithmetic number, because the mean of its divisors is an integer number (14525280).

Almost surely, 2^561527841 is an apocalyptic number.

It is an amenable number.

561527841 is a deficient number, since it is larger than the sum of its proper divisors (368090079).

561527841 is a wasteful number, since it uses less digits than its factorization.

561527841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 67200, while the sum is 39.

The square root of 561527841 is about 23696.5786771002. The cubic root of 561527841 is about 825.0059826931.

The spelling of 561527841 in words is "five hundred sixty-one million, five hundred twenty-seven thousand, eight hundred forty-one".