605440093 has 2 divisors, whose sum is σ = 605440094. Its totient is φ = 605440092.

The previous prime is 605440039. The next prime is 605440103. The reversal of 605440093 is 390044506.

Together with previous prime (605440039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494706564 + 110733529 = 22242^2 + 10523^2 .

It is a cyclic number.

It is not a de Polignac number, because 605440093 - 2²⁹ = 68569181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605447093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302720046 + 302720047.

It is an arithmetic number, because the mean of its divisors is an integer number (302720047).

Almost surely, 2^605440093 is an apocalyptic number.

It is an amenable number.

605440093 is a deficient number, since it is larger than the sum of its proper divisors (1).

605440093 is an equidigital number, since it uses as much as digits as its factorization.

605440093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 605440093 is about 24605.6922885742. The cubic root of 605440093 is about 845.9740843647.

Adding to 605440093 its reverse (390044506), we get a palindrome (995484599).

The spelling of 605440093 in words is "six hundred five million, four hundred forty thousand, ninety-three".