605505499 has 2 divisors, whose sum is σ = 605505500. Its totient is φ = 605505498.

The previous prime is 605505497. The next prime is 605505517. The reversal of 605505499 is 994505506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605505499 - 2¹ = 605505497 is a prime.

Together with 605505497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (605505491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302752749 + 302752750.

It is an arithmetic number, because the mean of its divisors is an integer number (302752750).

Almost surely, 2^605505499 is an apocalyptic number.

605505499 is a deficient number, since it is larger than the sum of its proper divisors (1).

605505499 is an equidigital number, since it uses as much as digits as its factorization.

605505499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 605505499 is about 24607.0213353831. The cubic root of 605505499 is about 846.0045469374.

It can be divided in two parts, 60550 and 5499, that added together give a square (66049 = 257²).

The spelling of 605505499 in words is "six hundred five million, five hundred five thousand, four hundred ninety-nine".