203402141 has 2 divisors, whose sum is σ = 203402142. Its totient is φ = 203402140.

The previous prime is 203402123. The next prime is 203402153. The reversal of 203402141 is 141204302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203176516 + 225625 = 14254^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 203402141 - 2⁶ = 203402077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203462141) 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, 101701070 + 101701071.

It is an arithmetic number, because the mean of its divisors is an integer number (101701071).

Almost surely, 2^203402141 is an apocalyptic number.

It is an amenable number.

203402141 is a deficient number, since it is larger than the sum of its proper divisors (1).

203402141 is an equidigital number, since it uses as much as digits as its factorization.

203402141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203402141 is about 14261.9122490639. The cubic root of 203402141 is about 588.1008945366.

Adding to 203402141 its reverse (141204302), we get a palindrome (344606443).

The spelling of 203402141 in words is "two hundred three million, four hundred two thousand, one hundred forty-one".