605377081 has 2 divisors, whose sum is σ = 605377082. Its totient is φ = 605377080.

The previous prime is 605377067. The next prime is 605377103. The reversal of 605377081 is 180773506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471280681 + 134096400 = 21709^2 + 11580^2 .

It is a cyclic number.

It is not a de Polignac number, because 605377081 - 2¹⁹ = 604852793 is a prime.

It is a super-2 number, since 2×605377081² = 732962820400161122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 605377081.

It is not a weakly prime, because it can be changed into another prime (605327081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302688540 + 302688541.

It is an arithmetic number, because the mean of its divisors is an integer number (302688541).

Almost surely, 2^605377081 is an apocalyptic number.

It is an amenable number.

605377081 is a deficient number, since it is larger than the sum of its proper divisors (1).

605377081 is an equidigital number, since it uses as much as digits as its factorization.

605377081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 605377081 is about 24604.4118198343. The cubic root of 605377081 is about 845.9447347125.

The spelling of 605377081 in words is "six hundred five million, three hundred seventy-seven thousand, eighty-one".