605475491 has 2 divisors, whose sum is σ = 605475492. Its totient is φ = 605475490.

The previous prime is 605475379. The next prime is 605475571. The reversal of 605475491 is 194574506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605475491 - 2²⁶ = 538366627 is a prime.

It is not a weakly prime, because it can be changed into another prime (605471491) 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, 302737745 + 302737746.

It is an arithmetic number, because the mean of its divisors is an integer number (302737746).

Almost surely, 2^605475491 is an apocalyptic number.

605475491 is a deficient number, since it is larger than the sum of its proper divisors (1).

605475491 is an equidigital number, since it uses as much as digits as its factorization.

605475491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 605475491 is about 24606.4115831626. The cubic root of 605475491 is about 845.9905711084.

The spelling of 605475491 in words is "six hundred five million, four hundred seventy-five thousand, four hundred ninety-one".