605045893 has 2 divisors, whose sum is σ = 605045894. Its totient is φ = 605045892.

The previous prime is 605045887. The next prime is 605045921. The reversal of 605045893 is 398540506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408120804 + 196925089 = 20202^2 + 14033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605045893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605045863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302522946 + 302522947.

It is an arithmetic number, because the mean of its divisors is an integer number (302522947).

Almost surely, 2^605045893 is an apocalyptic number.

It is an amenable number.

605045893 is a deficient number, since it is larger than the sum of its proper divisors (1).

605045893 is an equidigital number, since it uses as much as digits as its factorization.

605045893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 605045893 is about 24597.6806426947. The cubic root of 605045893 is about 845.7904408792.

The spelling of 605045893 in words is "six hundred five million, forty-five thousand, eight hundred ninety-three".