2071261 has 2 divisors, whose sum is σ = 2071262. Its totient is φ = 2071260.

The previous prime is 2071259. The next prime is 2071271. The reversal of 2071261 is 1621702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 792100 = 1131^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071261 - 2¹ = 2071259 is a prime.

Together with 2071259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035630 + 1035631.

It is an arithmetic number, because the mean of its divisors is an integer number (1035631).

2^2071261 is an apocalyptic number.

It is an amenable number.

2071261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071261 is an equidigital number, since it uses as much as digits as its factorization.

2071261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2071261 is about 1439.1876180679. The cubic root of 2071261 is about 127.4710635345.

Adding to 2071261 its reverse (1621702), we get a palindrome (3692963).

It can be divided in two parts, 2071 and 261, that added together give a palindrome (2332).

The spelling of 2071261 in words is "two million, seventy-one thousand, two hundred sixty-one".