5681050061 has 2 divisors, whose sum is σ = 5681050062. Its totient is φ = 5681050060.

The previous prime is 5681049991. The next prime is 5681050073. The reversal of 5681050061 is 1600501865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2961427561 + 2719622500 = 54419^2 + 52150^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681050061 - 2¹⁰ = 5681049037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681050261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840525030 + 2840525031.

It is an arithmetic number, because the mean of its divisors is an integer number (2840525031).

Almost surely, 2^5681050061 is an apocalyptic number.

It is an amenable number.

5681050061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681050061 is an equidigital number, since it uses as much as digits as its factorization.

5681050061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5681050061 is about 75372.7408351322. The cubic root of 5681050061 is about 1784.3342239013.

The spelling of 5681050061 in words is "five billion, six hundred eighty-one million, fifty thousand, sixty-one".