2256973 has 2 divisors, whose sum is σ = 2256974. Its totient is φ = 2256972.

The previous prime is 2256959. The next prime is 2257001. The reversal of 2256973 is 3796522.

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., 2082249 + 174724 = 1443^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256973 - 2¹³ = 2248781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128486 + 1128487.

It is an arithmetic number, because the mean of its divisors is an integer number (1128487).

2^2256973 is an apocalyptic number.

It is an amenable number.

2256973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256973 is an equidigital number, since it uses as much as digits as its factorization.

2256973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 2256973 is about 1502.3225352766. The cubic root of 2256973 is about 131.1722962587.

The spelling of 2256973 in words is "two million, two hundred fifty-six thousand, nine hundred seventy-three".