605634863 has 2 divisors, whose sum is σ = 605634864. Its totient is φ = 605634862.

The previous prime is 605634859. The next prime is 605634871. The reversal of 605634863 is 368436506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605634863 - 2² = 605634859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 605634863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605634853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302817431 + 302817432.

It is an arithmetic number, because the mean of its divisors is an integer number (302817432).

Almost surely, 2^605634863 is an apocalyptic number.

605634863 is a deficient number, since it is larger than the sum of its proper divisors (1).

605634863 is an equidigital number, since it uses as much as digits as its factorization.

605634863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 605634863 is about 24609.6497943388. The cubic root of 605634863 is about 846.0647912233.

The spelling of 605634863 in words is "six hundred five million, six hundred thirty-four thousand, eight hundred sixty-three".