200002981 has 2 divisors, whose sum is σ = 200002982. Its totient is φ = 200002980.

The previous prime is 200002967. The next prime is 200002993. The reversal of 200002981 is 189200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189310081 + 10692900 = 13759^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 200002981 - 2⁷ = 200002853 is a prime.

It is a super-2 number, since 2×200002981² = 80002384817772722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200002921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001490 + 100001491.

It is an arithmetic number, because the mean of its divisors is an integer number (100001491).

Almost surely, 2^200002981 is an apocalyptic number.

It is an amenable number.

200002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002981 is an equidigital number, since it uses as much as digits as its factorization.

200002981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 200002981 is about 14142.2410176040. The cubic root of 200002981 is about 584.8064531271.

Adding to 200002981 its reverse (189200002), we get a palindrome (389202983).

The spelling of 200002981 in words is "two hundred million, two thousand, nine hundred eighty-one".