561336201 has 24 divisors (see below), whose sum is σ = 829309416. Its totient is φ = 365783040.

The previous prime is 561336119. The next prime is 561336211. The reversal of 561336201 is 102633165.

561336201 is a `hidden beast` number, since 5 + 6 + 1 + 33 + 620 + 1 = 666.

561336201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 783225 + 560552976 = 885^2 + 23676^2 .

It is not a de Polignac number, because 561336201 - 2⁹ = 561335689 is a prime.

It is a super-2 number, since 2×561336201² = 630196661106224802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561336211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70461 + ... + 78021.

It is an arithmetic number, because the mean of its divisors is an integer number (34554559).

Almost surely, 2^561336201 is an apocalyptic number.

It is an amenable number.

561336201 is a deficient number, since it is larger than the sum of its proper divisors (267973215).

561336201 is a wasteful number, since it uses less digits than its factorization.

561336201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753 (or 7750 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 561336201 is about 23692.5347103260. The cubic root of 561336201 is about 824.9121184626.

Adding to 561336201 its reverse (102633165), we get a palindrome (663969366).

It can be divided in two parts, 5613 and 36201, that added together give a palindrome (41814).

The spelling of 561336201 in words is "five hundred sixty-one million, three hundred thirty-six thousand, two hundred one".