602540089 has 2 divisors, whose sum is σ = 602540090. Its totient is φ = 602540088.

The previous prime is 602540083. The next prime is 602540117. The reversal of 602540089 is 980045206.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550700089 + 51840000 = 23467^2 + 7200^2 .

It is a cyclic number.

It is not a de Polignac number, because 602540089 - 2¹⁹ = 602015801 is a prime.

It is not a weakly prime, because it can be changed into another prime (602540083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301270044 + 301270045.

It is an arithmetic number, because the mean of its divisors is an integer number (301270045).

Almost surely, 2^602540089 is an apocalyptic number.

It is an amenable number.

602540089 is a deficient number, since it is larger than the sum of its proper divisors (1).

602540089 is an equidigital number, since it uses as much as digits as its factorization.

602540089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 602540089 is about 24546.6920174593. The cubic root of 602540089 is about 844.6212085595.

The spelling of 602540089 in words is "six hundred two million, five hundred forty thousand, eighty-nine".