600002681 has 2 divisors, whose sum is σ = 600002682. Its totient is φ = 600002680.

The previous prime is 600002657. The next prime is 600002713. The reversal of 600002681 is 186200006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599809081 + 193600 = 24491^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 600002681 - 2²² = 595808377 is a prime.

It is a super-2 number, since 2×600002681² = 720006434414375522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (600092681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300001340 + 300001341.

It is an arithmetic number, because the mean of its divisors is an integer number (300001341).

Almost surely, 2^600002681 is an apocalyptic number.

It is an amenable number.

600002681 is a deficient number, since it is larger than the sum of its proper divisors (1).

600002681 is an equidigital number, since it uses as much as digits as its factorization.

600002681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 600002681 is about 24494.9521534540. The cubic root of 600002681 is about 843.4339215460.

Adding to 600002681 its reverse (186200006), we get a palindrome (786202687).

The spelling of 600002681 in words is "six hundred million, two thousand, six hundred eighty-one".