201150401 has 2 divisors, whose sum is σ = 201150402. Its totient is φ = 201150400.

The previous prime is 201150377. The next prime is 201150403. The reversal of 201150401 is 104051102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161900176 + 39250225 = 12724^2 + 6265^2 .

It is a cyclic number.

It is not a de Polignac number, because 201150401 - 2⁶ = 201150337 is a prime.

It is a super-2 number, since 2×201150401² = 80922967644921602, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 201150403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201150403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100575200 + 100575201.

It is an arithmetic number, because the mean of its divisors is an integer number (100575201).

Almost surely, 2^201150401 is an apocalyptic number.

It is an amenable number.

201150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201150401 is an equidigital number, since it uses as much as digits as its factorization.

201150401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 201150401 is about 14182.7501211859. The cubic root of 201150401 is about 585.9226689570.

The spelling of 201150401 in words is "two hundred one million, one hundred fifty thousand, four hundred one".