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2741 is a prime number
BaseRepresentation
bin101010110101
310202112
4222311
541431
620405
710664
oct5265
93675
102741
112072
121705
13132b
14ddb
15c2b
hexab5

2741 has 2 divisors, whose sum is σ = 2742. Its totient is φ = 2740.

The previous prime is 2731. The next prime is 2749. The reversal of 2741 is 1472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2116 + 625 = 46^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 2741 - 26 = 2677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370 + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (1371).

22741 is an apocalyptic number.

It is an amenable number.

2741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2741 is an equidigital number, since it uses as much as digits as its factorization.

2741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 14.

The square root of 2741 is about 52.3545604508. The cubic root of 2741 is about 13.9948960987.

The spelling of 2741 in words is "two thousand, seven hundred forty-one", and thus it is an iban number.