561623341 has 2 divisors, whose sum is σ = 561623342. Its totient is φ = 561623340.

The previous prime is 561623329. The next prime is 561623389. The reversal of 561623341 is 143326165.

561623341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554414116 + 7209225 = 23546^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 561623341 - 2⁷ = 561623213 is a prime.

It is a Chen prime.

It is equal to p_29422651 and since 561623341 and 29422651 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280811670 + 280811671.

It is an arithmetic number, because the mean of its divisors is an integer number (280811671).

Almost surely, 2^561623341 is an apocalyptic number.

It is an amenable number.

561623341 is a deficient number, since it is larger than the sum of its proper divisors (1).

561623341 is an equidigital number, since it uses as much as digits as its factorization.

561623341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 561623341 is about 23698.5936502570. The cubic root of 561623341 is about 825.0527501012.

The spelling of 561623341 in words is "five hundred sixty-one million, six hundred twenty-three thousand, three hundred forty-one".