201400387 has 2 divisors, whose sum is σ = 201400388. Its totient is φ = 201400386.

The previous prime is 201400379. The next prime is 201400393. The reversal of 201400387 is 783004102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201400387 - 2³ = 201400379 is a prime.

It is not a weakly prime, because it can be changed into another prime (201400187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100700193 + 100700194.

It is an arithmetic number, because the mean of its divisors is an integer number (100700194).

Almost surely, 2^201400387 is an apocalyptic number.

201400387 is a deficient number, since it is larger than the sum of its proper divisors (1).

201400387 is an equidigital number, since it uses as much as digits as its factorization.

201400387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 201400387 is about 14191.5604145563. The cubic root of 201400387 is about 586.1652930958.

Adding to 201400387 its reverse (783004102), we get a palindrome (984404489).

The spelling of 201400387 in words is "two hundred one million, four hundred thousand, three hundred eighty-seven".