270721601 has 2 divisors, whose sum is σ = 270721602. Its totient is φ = 270721600.

The previous prime is 270721567. The next prime is 270721603. The reversal of 270721601 is 106127072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 111936400 = 12601^2 + 10580^2 .

It is a cyclic number.

It is not a de Polignac number, because 270721601 - 2¹⁰ = 270720577 is a prime.

Together with 270721603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (270721603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135360800 + 135360801.

It is an arithmetic number, because the mean of its divisors is an integer number (135360801).

Almost surely, 2^270721601 is an apocalyptic number.

It is an amenable number.

270721601 is a deficient number, since it is larger than the sum of its proper divisors (1).

270721601 is an equidigital number, since it uses as much as digits as its factorization.

270721601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 270721601 is about 16453.6196929429. The cubic root of 270721601 is about 646.9056882327.

Adding to 270721601 its reverse (106127072), we get a palindrome (376848673).

The spelling of 270721601 in words is "two hundred seventy million, seven hundred twenty-one thousand, six hundred one".