203834401 has 2 divisors, whose sum is σ = 203834402. Its totient is φ = 203834400.

The previous prime is 203834399. The next prime is 203834419. The reversal of 203834401 is 104438302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196000000 + 7834401 = 14000^2 + 2799^2 .

It is a cyclic number.

It is not a de Polignac number, because 203834401 - 2¹ = 203834399 is a prime.

Together with 203834399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (203834431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101917200 + 101917201.

It is an arithmetic number, because the mean of its divisors is an integer number (101917201).

Almost surely, 2^203834401 is an apocalyptic number.

It is an amenable number.

203834401 is a deficient number, since it is larger than the sum of its proper divisors (1).

203834401 is an equidigital number, since it uses as much as digits as its factorization.

203834401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 203834401 is about 14277.0585555989. The cubic root of 203834401 is about 588.5172005857.

The spelling of 203834401 in words is "two hundred three million, eight hundred thirty-four thousand, four hundred one".