605645413 has 2 divisors, whose sum is σ = 605645414. Its totient is φ = 605645412.

The previous prime is 605645377. The next prime is 605645437. The reversal of 605645413 is 314546506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580665409 + 24980004 = 24097^2 + 4998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605645413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605649413) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302822706 + 302822707.

It is an arithmetic number, because the mean of its divisors is an integer number (302822707).

Almost surely, 2^605645413 is an apocalyptic number.

It is an amenable number.

605645413 is a deficient number, since it is larger than the sum of its proper divisors (1).

605645413 is an equidigital number, since it uses as much as digits as its factorization.

605645413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 605645413 is about 24609.8641402182. The cubic root of 605645413 is about 846.0697039368.

The spelling of 605645413 in words is "six hundred five million, six hundred forty-five thousand, four hundred thirteen".