605336881 has 2 divisors, whose sum is σ = 605336882. Its totient is φ = 605336880.

The previous prime is 605336863. The next prime is 605336891. The reversal of 605336881 is 188633506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543635856 + 61701025 = 23316^2 + 7855^2 .

It is a cyclic number.

It is not a de Polignac number, because 605336881 - 2¹¹ = 605334833 is a prime.

It is a super-2 number, since 2×605336881² = 732865478997616322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (605336891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302668440 + 302668441.

It is an arithmetic number, because the mean of its divisors is an integer number (302668441).

Almost surely, 2^605336881 is an apocalyptic number.

It is an amenable number.

605336881 is a deficient number, since it is larger than the sum of its proper divisors (1).

605336881 is an equidigital number, since it uses as much as digits as its factorization.

605336881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 605336881 is about 24603.5948796106. The cubic root of 605336881 is about 845.9260093416.

The spelling of 605336881 in words is "six hundred five million, three hundred thirty-six thousand, eight hundred eighty-one".