206150401 has 2 divisors, whose sum is σ = 206150402. Its totient is φ = 206150400.

The previous prime is 206150383. The next prime is 206150411. The reversal of 206150401 is 104051602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 92621376 = 10655^2 + 9624^2 .

It is a cyclic number.

It is not a de Polignac number, because 206150401 - 2¹¹ = 206148353 is a prime.

It is not a weakly prime, because it can be changed into another prime (206150411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103075200 + 103075201.

It is an arithmetic number, because the mean of its divisors is an integer number (103075201).

Almost surely, 2^206150401 is an apocalyptic number.

It is an amenable number.

206150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

206150401 is an equidigital number, since it uses as much as digits as its factorization.

206150401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 206150401 is about 14357.9386055241. The cubic root of 206150401 is about 590.7377546867.

The spelling of 206150401 in words is "two hundred six million, one hundred fifty thousand, four hundred one".