605104542061 has 2 divisors, whose sum is σ = 605104542062. Its totient is φ = 605104542060.

The previous prime is 605104542023. The next prime is 605104542103. The reversal of 605104542061 is 160245401506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342031977225 + 263072564836 = 584835^2 + 512906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605104542061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605104542001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302552271030 + 302552271031.

It is an arithmetic number, because the mean of its divisors is an integer number (302552271031).

Almost surely, 2^605104542061 is an apocalyptic number.

It is an amenable number.

605104542061 is a deficient number, since it is larger than the sum of its proper divisors (1).

605104542061 is an equidigital number, since it uses as much as digits as its factorization.

605104542061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 605104542061 its reverse (160245401506), we get a palindrome (765349943567).

The spelling of 605104542061 in words is "six hundred five billion, one hundred four million, five hundred forty-two thousand, sixty-one".