605605997 has 2 divisors, whose sum is σ = 605605998. Its totient is φ = 605605996.

The previous prime is 605605969. The next prime is 605606003. The reversal of 605605997 is 799506506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499701316 + 105904681 = 22354^2 + 10291^2 .

It is a cyclic number.

It is not a de Polignac number, because 605605997 - 2⁶ = 605605933 is a prime.

It is a super-3 number, since 3×605605997³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605605967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302802998 + 302802999.

It is an arithmetic number, because the mean of its divisors is an integer number (302802999).

Almost surely, 2^605605997 is an apocalyptic number.

It is an amenable number.

605605997 is a deficient number, since it is larger than the sum of its proper divisors (1).

605605997 is an equidigital number, since it uses as much as digits as its factorization.

605605997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 605605997 is about 24609.0633100896. The cubic root of 605605997 is about 846.0513491887.

The spelling of 605605997 in words is "six hundred five million, six hundred five thousand, nine hundred ninety-seven".