2710921 has 2 divisors, whose sum is σ = 2710922. Its totient is φ = 2710920.

The previous prime is 2710909. The next prime is 2710927. The reversal of 2710921 is 1290172.

2710921 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., 2595321 + 115600 = 1611^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2710921 - 2⁵ = 2710889 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2710892 and 2710901.

It is not a weakly prime, because it can be changed into another prime (2710927) 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, 1355460 + 1355461.

It is an arithmetic number, because the mean of its divisors is an integer number (1355461).

2^2710921 is an apocalyptic number.

It is an amenable number.

2710921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2710921 is an equidigital number, since it uses as much as digits as its factorization.

2710921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2710921 is about 1646.4874733808. The cubic root of 2710921 is about 139.4351561190.

The spelling of 2710921 in words is "two million, seven hundred ten thousand, nine hundred twenty-one".