608981573 has 2 divisors, whose sum is σ = 608981574. Its totient is φ = 608981572.

The previous prime is 608981567. The next prime is 608981587. The reversal of 608981573 is 375189806.

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., 533517604 + 75463969 = 23098^2 + 8687^2 .

It is a cyclic number.

It is not a de Polignac number, because 608981573 - 2⁶ = 608981509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608981473) 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 as a sum of consecutive naturals, namely, 304490786 + 304490787.

It is an arithmetic number, because the mean of its divisors is an integer number (304490787).

Almost surely, 2^608981573 is an apocalyptic number.

It is an amenable number.

608981573 is a deficient number, since it is larger than the sum of its proper divisors (1).

608981573 is an equidigital number, since it uses as much as digits as its factorization.

608981573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 608981573 is about 24677.5520058210. The cubic root of 608981573 is about 847.6203675738.

The spelling of 608981573 in words is "six hundred eight million, nine hundred eighty-one thousand, five hundred seventy-three".