60605581 has 2 divisors, whose sum is σ = 60605582. Its totient is φ = 60605580.

The previous prime is 60605569. The next prime is 60605591. The reversal of 60605581 is 18550606.

60605581 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., 55502500 + 5103081 = 7450^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 60605581 - 2²⁵ = 27051149 is a prime.

It is a super-2 number, since 2×60605581² = 7346072896695122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60605551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30302790 + 30302791.

It is an arithmetic number, because the mean of its divisors is an integer number (30302791).

Almost surely, 2^60605581 is an apocalyptic number.

It is an amenable number.

60605581 is a deficient number, since it is larger than the sum of its proper divisors (1).

60605581 is an equidigital number, since it uses as much as digits as its factorization.

60605581 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 31.

The square root of 60605581 is about 7784.9586382973. The cubic root of 60605581 is about 392.7994517914.

The spelling of 60605581 in words is "sixty million, six hundred five thousand, five hundred eighty-one".