2721701 has 2 divisors, whose sum is σ = 2721702. Its totient is φ = 2721700.

The previous prime is 2721671. The next prime is 2721721. The reversal of 2721701 is 1071272.

2721701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2721721) can be obtained adding 2721701 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 2500 = 1649^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 2721701 - 2¹⁰ = 2720677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360850 + 1360851.

It is an arithmetic number, because the mean of its divisors is an integer number (1360851).

2^2721701 is an apocalyptic number.

It is an amenable number.

2721701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721701 is an equidigital number, since it uses as much as digits as its factorization.

2721701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 2721701 is about 1649.7578610208. The cubic root of 2721701 is about 139.6197333648.

Adding to 2721701 its reverse (1071272), we get a palindrome (3792973).

The spelling of 2721701 in words is "two million, seven hundred twenty-one thousand, seven hundred one".