200427481 has 2 divisors, whose sum is σ = 200427482. Its totient is φ = 200427480.

The previous prime is 200427449. The next prime is 200427509. The reversal of 200427481 is 184724002.

It is an a-pointer prime, because the next prime (200427509) can be obtained adding 200427481 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180096400 + 20331081 = 13420^2 + 4509^2 .

It is a cyclic number.

It is not a de Polignac number, because 200427481 - 2⁵ = 200427449 is a prime.

It is a super-2 number, since 2×200427481² = 80342350280010722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200427421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100213740 + 100213741.

It is an arithmetic number, because the mean of its divisors is an integer number (100213741).

Almost surely, 2^200427481 is an apocalyptic number.

It is an amenable number.

200427481 is a deficient number, since it is larger than the sum of its proper divisors (1).

200427481 is an equidigital number, since it uses as much as digits as its factorization.

200427481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 200427481 is about 14157.2412920032. The cubic root of 200427481 is about 585.2199051507.

The spelling of 200427481 in words is "two hundred million, four hundred twenty-seven thousand, four hundred eighty-one".