605248081 has 2 divisors, whose sum is σ = 605248082. Its totient is φ = 605248080.

The previous prime is 605248079. The next prime is 605248099. The reversal of 605248081 is 180842506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524410000 + 80838081 = 22900^2 + 8991^2 .

It is a cyclic number.

It is not a de Polignac number, because 605248081 - 2¹ = 605248079 is a prime.

It is a super-2 number, since 2×605248081² = 732650479108365122, which contains 22 as substring.

Together with 605248079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (605648081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302624040 + 302624041.

It is an arithmetic number, because the mean of its divisors is an integer number (302624041).

Almost surely, 2^605248081 is an apocalyptic number.

It is an amenable number.

605248081 is a deficient number, since it is larger than the sum of its proper divisors (1).

605248081 is an equidigital number, since it uses as much as digits as its factorization.

605248081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 605248081 is about 24601.7901990892. The cubic root of 605248081 is about 845.8846428973.

The spelling of 605248081 in words is "six hundred five million, two hundred forty-eight thousand, eighty-one".