605774641 has 2 divisors, whose sum is σ = 605774642. Its totient is φ = 605774640.

The previous prime is 605774629. The next prime is 605774657. The reversal of 605774641 is 146477506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 572597041 + 33177600 = 23929^2 + 5760^2 .

It is a cyclic number.

It is not a de Polignac number, because 605774641 - 2¹¹ = 605772593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605774594 and 605774603.

It is not a weakly prime, because it can be changed into another prime (605774041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302887320 + 302887321.

It is an arithmetic number, because the mean of its divisors is an integer number (302887321).

Almost surely, 2^605774641 is an apocalyptic number.

It is an amenable number.

605774641 is a deficient number, since it is larger than the sum of its proper divisors (1).

605774641 is an equidigital number, since it uses as much as digits as its factorization.

605774641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 605774641 is about 24612.4895327555. The cubic root of 605774641 is about 846.1298756246.

The spelling of 605774641 in words is "six hundred five million, seven hundred seventy-four thousand, six hundred forty-one".