2102741 has 2 divisors, whose sum is σ = 2102742. Its totient is φ = 2102740.

The previous prime is 2102717. The next prime is 2102753. The reversal of 2102741 is 1472012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 828100 = 1129^2 + 910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051370 + 1051371.

It is an arithmetic number, because the mean of its divisors is an integer number (1051371).

2^2102741 is an apocalyptic number.

It is an amenable number.

2102741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102741 is an equidigital number, since it uses as much as digits as its factorization.

2102741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2102741 is about 1450.0831010670. The cubic root of 2102741 is about 128.1136076327.

Adding to 2102741 its reverse (1472012), we get a palindrome (3574753).

The spelling of 2102741 in words is "two million, one hundred two thousand, seven hundred forty-one".