605505025387 has 2 divisors, whose sum is σ = 605505025388. Its totient is φ = 605505025386.

The previous prime is 605505025297. The next prime is 605505025429. The reversal of 605505025387 is 783520505506.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605505025387 - 2⁷ = 605505025259 is a prime.

It is not a weakly prime, because it can be changed into another prime (605505025087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302752512693 + 302752512694.

It is an arithmetic number, because the mean of its divisors is an integer number (302752512694).

Almost surely, 2^605505025387 is an apocalyptic number.

605505025387 is a deficient number, since it is larger than the sum of its proper divisors (1).

605505025387 is an equidigital number, since it uses as much as digits as its factorization.

605505025387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 605505025387 in words is "six hundred five billion, five hundred five million, twenty-five thousand, three hundred eighty-seven".