561143413 has 4 divisors (see below), whose sum is σ = 561202348. Its totient is φ = 561084480.

The previous prime is 561143411. The next prime is 561143419. The reversal of 561143413 is 314341165.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 73307844 + 487835569 = 8562^2 + 22087^2 .

It is a cyclic number.

It is not a de Polignac number, because 561143413 - 2¹ = 561143411 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 (561143411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11556 + ... + 35437.

It is an arithmetic number, because the mean of its divisors is an integer number (140300587).

Almost surely, 2^561143413 is an apocalyptic number.

It is an amenable number.

561143413 is a deficient number, since it is larger than the sum of its proper divisors (58935).

561143413 is a wasteful number, since it uses less digits than its factorization.

561143413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58934.

The product of its digits is 4320, while the sum is 28.

The square root of 561143413 is about 23688.4658219987. The cubic root of 561143413 is about 824.8176703897.

Adding to 561143413 its reverse (314341165), we get a palindrome (875484578).

The spelling of 561143413 in words is "five hundred sixty-one million, one hundred forty-three thousand, four hundred thirteen".