605089057 has 4 divisors (see below), whose sum is σ = 605291076. Its totient is φ = 604887040.

The previous prime is 605089033. The next prime is 605089091. The reversal of 605089057 is 750980506.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494439696 + 110649361 = 22236^2 + 10519^2 .

It is a cyclic number.

It is not a de Polignac number, because 605089057 - 2¹¹ = 605087009 is a prime.

It is a super-2 number, since 2×605089057² = 732265533802298498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605089757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96448 + ... + 102529.

It is an arithmetic number, because the mean of its divisors is an integer number (151322769).

Almost surely, 2^605089057 is an apocalyptic number.

It is an amenable number.

605089057 is a deficient number, since it is larger than the sum of its proper divisors (202019).

605089057 is a wasteful number, since it uses less digits than its factorization.

605089057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202018.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 605089057 is about 24598.5580268438. The cubic root of 605089057 is about 845.8105533097.

The spelling of 605089057 in words is "six hundred five million, eighty-nine thousand, fifty-seven".