605000999 has 2 divisors, whose sum is σ = 605001000. Its totient is φ = 605000998.

The previous prime is 605000969. The next prime is 605001037. The reversal of 605000999 is 999000506.

It is an a-pointer prime, because the next prime (605001037) can be obtained adding 605000999 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605000999 is a prime.

It is a Chen prime.

605000999 is a modest number, since divided by 999 gives 605 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605000969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302500499 + 302500500.

It is an arithmetic number, because the mean of its divisors is an integer number (302500500).

Almost surely, 2^605000999 is an apocalyptic number.

605000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

605000999 is an equidigital number, since it uses as much as digits as its factorization.

605000999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 605000999 is about 24596.7680600521. The cubic root of 605000999 is about 845.7695213337.

The spelling of 605000999 in words is "six hundred five million, nine hundred ninety-nine", and thus it is an aban number.