608605889 has 2 divisors, whose sum is σ = 608605890. Its totient is φ = 608605888.

The previous prime is 608605873. The next prime is 608605897. The reversal of 608605889 is 988506806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356907664 + 251698225 = 18892^2 + 15865^2 .

It is a cyclic number.

It is not a de Polignac number, because 608605889 - 2⁴ = 608605873 is a prime.

It is a super-2 number, since 2×608605889² = 740802256250960642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (608605819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304302944 + 304302945.

It is an arithmetic number, because the mean of its divisors is an integer number (304302945).

Almost surely, 2^608605889 is an apocalyptic number.

It is an amenable number.

608605889 is a deficient number, since it is larger than the sum of its proper divisors (1).

608605889 is an equidigital number, since it uses as much as digits as its factorization.

608605889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 608605889 is about 24669.9389743874. The cubic root of 608605889 is about 847.4460312016.

The spelling of 608605889 in words is "six hundred eight million, six hundred five thousand, eight hundred eighty-nine".