605061749 has 2 divisors, whose sum is σ = 605061750. Its totient is φ = 605061748.

The previous prime is 605061731. The next prime is 605061757. The reversal of 605061749 is 947160506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 598144849 + 6916900 = 24457^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 605061749 - 2⁸ = 605061493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605061719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302530874 + 302530875.

It is an arithmetic number, because the mean of its divisors is an integer number (302530875).

Almost surely, 2^605061749 is an apocalyptic number.

It is an amenable number.

605061749 is a deficient number, since it is larger than the sum of its proper divisors (1).

605061749 is an equidigital number, since it uses as much as digits as its factorization.

605061749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 605061749 is about 24598.0029473939. The cubic root of 605061749 is about 845.7978291540.

The spelling of 605061749 in words is "six hundred five million, sixty-one thousand, seven hundred forty-nine".