2729101 has 2 divisors, whose sum is σ = 2729102. Its totient is φ = 2729100.

The previous prime is 2729099. The next prime is 2729107. The reversal of 2729101 is 1019272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 476100 = 1501^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729101 - 2¹ = 2729099 is a prime.

Together with 2729099, it forms a pair of twin primes.

2729101 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364550 + 1364551.

It is an arithmetic number, because the mean of its divisors is an integer number (1364551).

2^2729101 is an apocalyptic number.

It is an amenable number.

2729101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729101 is an equidigital number, since it uses as much as digits as its factorization.

2729101 is an evil number, because the sum of its binary digits is even.

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

The square root of 2729101 is about 1651.9990920094. Note that the first 3 decimals coincide. The cubic root of 2729101 is about 139.7461556605.

The spelling of 2729101 in words is "two million, seven hundred twenty-nine thousand, one hundred one".