150201691 has 2 divisors, whose sum is σ = 150201692. Its totient is φ = 150201690.

The previous prime is 150201641. The next prime is 150201713. The reversal of 150201691 is 196102051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150201691 - 2¹⁹ = 149677403 is a prime.

It is not a weakly prime, because it can be changed into another prime (150201641) 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, 75100845 + 75100846.

It is an arithmetic number, because the mean of its divisors is an integer number (75100846).

Almost surely, 2^150201691 is an apocalyptic number.

150201691 is a deficient number, since it is larger than the sum of its proper divisors (1).

150201691 is an equidigital number, since it uses as much as digits as its factorization.

150201691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 150201691 is about 12255.6799484973. The cubic root of 150201691 is about 531.5673209008.

The spelling of 150201691 in words is "one hundred fifty million, two hundred one thousand, six hundred ninety-one".