273201001 has 2 divisors, whose sum is σ = 273201002. Its totient is φ = 273201000.

The previous prime is 273200951. The next prime is 273201017. The reversal of 273201001 is 100102372.

It is a happy number.

It is an a-pointer prime, because the next prime (273201017) can be obtained adding 273201001 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161264601 + 111936400 = 12699^2 + 10580^2 .

It is a cyclic number.

It is not a de Polignac number, because 273201001 - 2¹¹ = 273198953 is a prime.

It is not a weakly prime, because it can be changed into another prime (273201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136600500 + 136600501.

It is an arithmetic number, because the mean of its divisors is an integer number (136600501).

Almost surely, 2^273201001 is an apocalyptic number.

It is an amenable number.

273201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

273201001 is an equidigital number, since it uses as much as digits as its factorization.

273201001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 273201001 is about 16528.7930896360. The cubic root of 273201001 is about 648.8745819504.

Adding to 273201001 its reverse (100102372), we get a palindrome (373303373).

The spelling of 273201001 in words is "two hundred seventy-three million, two hundred one thousand, one".