2256437 has 2 divisors, whose sum is σ = 2256438. Its totient is φ = 2256436.

The previous prime is 2256431. The next prime is 2256467. The reversal of 2256437 is 7346522.

2256437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1552516 + 703921 = 1246^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256437 - 2⁸ = 2256181 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 2 + 5⁹ + 6⁷ + 4 + 3⁸ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128218 + 1128219.

It is an arithmetic number, because the mean of its divisors is an integer number (1128219).

2^2256437 is an apocalyptic number.

It is an amenable number.

2256437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256437 is an equidigital number, since it uses as much as digits as its factorization.

2256437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 2256437 is about 1502.1441342295. The cubic root of 2256437 is about 131.1619115654.

The spelling of 2256437 in words is "two million, two hundred fifty-six thousand, four hundred thirty-seven".