2706257 has 2 divisors, whose sum is σ = 2706258. Its totient is φ = 2706256.

The previous prime is 2706241. The next prime is 2706283. The reversal of 2706257 is 7526072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 1256641 = 1204^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706257 - 2⁴ = 2706241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2706857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353128 + 1353129.

It is an arithmetic number, because the mean of its divisors is an integer number (1353129).

2^2706257 is an apocalyptic number.

It is an amenable number.

2706257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706257 is an equidigital number, since it uses as much as digits as its factorization.

2706257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 2706257 is about 1645.0705152060. The cubic root of 2706257 is about 139.3551465484.

The spelling of 2706257 in words is "two million, seven hundred six thousand, two hundred fifty-seven".