605725481 has 2 divisors, whose sum is σ = 605725482. Its totient is φ = 605725480.

The previous prime is 605725423. The next prime is 605725511. The reversal of 605725481 is 184527506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395214400 + 210511081 = 19880^2 + 14509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605725481 is a prime.

It is a super-2 number, since 2×605725481² = 733806716665362722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (605725411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302862740 + 302862741.

It is an arithmetic number, because the mean of its divisors is an integer number (302862741).

Almost surely, 2^605725481 is an apocalyptic number.

It is an amenable number.

605725481 is a deficient number, since it is larger than the sum of its proper divisors (1).

605725481 is an equidigital number, since it uses as much as digits as its factorization.

605725481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 605725481 is about 24611.4908325359. The cubic root of 605725481 is about 846.1069865461.

The spelling of 605725481 in words is "six hundred five million, seven hundred twenty-five thousand, four hundred eighty-one".