401146201 has 2 divisors, whose sum is σ = 401146202. Its totient is φ = 401146200.

The previous prime is 401146199. The next prime is 401146211. The reversal of 401146201 is 102641104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395015625 + 6130576 = 19875^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 401146201 - 2¹ = 401146199 is a prime.

Together with 401146199, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401146211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200573100 + 200573101.

It is an arithmetic number, because the mean of its divisors is an integer number (200573101).

Almost surely, 2^401146201 is an apocalyptic number.

It is an amenable number.

401146201 is a deficient number, since it is larger than the sum of its proper divisors (1).

401146201 is an equidigital number, since it uses as much as digits as its factorization.

401146201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 401146201 is about 20028.6345265972. The cubic root of 401146201 is about 737.5094020060.

Adding to 401146201 its reverse (102641104), we get a palindrome (503787305).

The spelling of 401146201 in words is "four hundred one million, one hundred forty-six thousand, two hundred one".