201233401 has 2 divisors, whose sum is σ = 201233402. Its totient is φ = 201233400.

The previous prime is 201233393. The next prime is 201233413. The reversal of 201233401 is 104332102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163226176 + 38007225 = 12776^2 + 6165^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233401 - 2³ = 201233393 is a prime.

It is not a weakly prime, because it can be changed into another prime (201233101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616700 + 100616701.

It is an arithmetic number, because the mean of its divisors is an integer number (100616701).

Almost surely, 2^201233401 is an apocalyptic number.

It is an amenable number.

201233401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233401 is an equidigital number, since it uses as much as digits as its factorization.

201233401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201233401 is about 14185.6759091698. The cubic root of 201233401 is about 586.0032469622.

Adding to 201233401 its reverse (104332102), we get a palindrome (305565503).

The spelling of 201233401 in words is "two hundred one million, two hundred thirty-three thousand, four hundred one".