203402401 has 2 divisors, whose sum is σ = 203402402. Its totient is φ = 203402400.

The previous prime is 203402387. The next prime is 203402413. The reversal of 203402401 is 104204302.

203402401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164352400 + 39050001 = 12820^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 203402401 - 2⁷ = 203402273 is a prime.

It is not a weakly prime, because it can be changed into another prime (203402461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101701200 + 101701201.

It is an arithmetic number, because the mean of its divisors is an integer number (101701201).

Almost surely, 2^203402401 is an apocalyptic number.

It is an amenable number.

203402401 is a deficient number, since it is larger than the sum of its proper divisors (1).

203402401 is an equidigital number, since it uses as much as digits as its factorization.

203402401 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 16.

The square root of 203402401 is about 14261.9213642482. The cubic root of 203402401 is about 588.1011451176.

Adding to 203402401 its reverse (104204302), we get a palindrome (307606703).

The spelling of 203402401 in words is "two hundred three million, four hundred two thousand, four hundred one".