605161387 has 2 divisors, whose sum is σ = 605161388. Its totient is φ = 605161386.

The previous prime is 605161339. The next prime is 605161421. The reversal of 605161387 is 783161506.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605161387 - 2²³ = 596772779 is a prime.

It is not a weakly prime, because it can be changed into another prime (605165387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302580693 + 302580694.

It is an arithmetic number, because the mean of its divisors is an integer number (302580694).

Almost surely, 2^605161387 is an apocalyptic number.

605161387 is a deficient number, since it is larger than the sum of its proper divisors (1).

605161387 is an equidigital number, since it uses as much as digits as its factorization.

605161387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 605161387 is about 24600.0281910408. The cubic root of 605161387 is about 845.8442536051.

The spelling of 605161387 in words is "six hundred five million, one hundred sixty-one thousand, three hundred eighty-seven".