561676301 has 2 divisors, whose sum is σ = 561676302. Its totient is φ = 561676300.

The previous prime is 561676253. The next prime is 561676369. The reversal of 561676301 is 103676165.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445252201 + 116424100 = 21101^2 + 10790^2 .

It is a cyclic number.

It is not a de Polignac number, because 561676301 - 2¹⁸ = 561414157 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561676001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280838150 + 280838151.

It is an arithmetic number, because the mean of its divisors is an integer number (280838151).

Almost surely, 2^561676301 is an apocalyptic number.

It is an amenable number.

561676301 is a deficient number, since it is larger than the sum of its proper divisors (1).

561676301 is an equidigital number, since it uses as much as digits as its factorization.

561676301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 561676301 is about 23699.7109897990. The cubic root of 561676301 is about 825.0786829149.

The spelling of 561676301 in words is "five hundred sixty-one million, six hundred seventy-six thousand, three hundred one".