200406587 has 2 divisors, whose sum is σ = 200406588. Its totient is φ = 200406586.

The previous prime is 200406529. The next prime is 200406601. The reversal of 200406587 is 785604002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200406587 - 2¹⁸ = 200144443 is a prime.

It is a super-2 number, since 2×200406587² = 80325600225977138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200406527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100203293 + 100203294.

It is an arithmetic number, because the mean of its divisors is an integer number (100203294).

Almost surely, 2^200406587 is an apocalyptic number.

200406587 is a deficient number, since it is larger than the sum of its proper divisors (1).

200406587 is an equidigital number, since it uses as much as digits as its factorization.

200406587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 200406587 is about 14156.5033465189. The cubic root of 200406587 is about 585.1995686021.

The spelling of 200406587 in words is "two hundred million, four hundred six thousand, five hundred eighty-seven".