601600261 has 2 divisors, whose sum is σ = 601600262. Its totient is φ = 601600260.

The previous prime is 601600193. The next prime is 601600271. The reversal of 601600261 is 162006106.

601600261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463067361 + 138532900 = 21519^2 + 11770^2 .

It is a cyclic number.

It is not a de Polignac number, because 601600261 - 2⁷ = 601600133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (601600271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300800130 + 300800131.

It is an arithmetic number, because the mean of its divisors is an integer number (300800131).

Almost surely, 2^601600261 is an apocalyptic number.

It is an amenable number.

601600261 is a deficient number, since it is larger than the sum of its proper divisors (1).

601600261 is an equidigital number, since it uses as much as digits as its factorization.

601600261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 601600261 is about 24527.5408673597. The cubic root of 601600261 is about 844.1818398768.

Adding to 601600261 its reverse (162006106), we get a palindrome (763606367).

The spelling of 601600261 in words is "six hundred one million, six hundred thousand, two hundred sixty-one".