2656273 has 2 divisors, whose sum is σ = 2656274. Its totient is φ = 2656272.

The previous prime is 2656271. The next prime is 2656289. The reversal of 2656273 is 3726562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2334784 + 321489 = 1528^2 + 567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656273 - 2¹ = 2656271 is a prime.

Together with 2656271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2656271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328136 + 1328137.

It is an arithmetic number, because the mean of its divisors is an integer number (1328137).

2^2656273 is an apocalyptic number.

It is an amenable number.

2656273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656273 is an equidigital number, since it uses as much as digits as its factorization.

2656273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 2656273 is about 1629.8076573633. The cubic root of 2656273 is about 138.4918561421.

The spelling of 2656273 in words is "two million, six hundred fifty-six thousand, two hundred seventy-three".