2256533 has 2 divisors, whose sum is σ = 2256534. Its totient is φ = 2256532.

The previous prime is 2256479. The next prime is 2256539. The reversal of 2256533 is 3356522.

2256533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 529 = 1502^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256533 - 2⁶ = 2256469 is a prime.

It is equal to p₁₆₆₅₂₆ and since 2256533 and 166526 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256539) 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, 1128266 + 1128267.

It is an arithmetic number, because the mean of its divisors is an integer number (1128267).

2^2256533 is an apocalyptic number.

It is an amenable number.

2256533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256533 is an equidigital number, since it uses as much as digits as its factorization.

2256533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 2256533 is about 1502.1760882134. The cubic root of 2256533 is about 131.1637716313.

The spelling of 2256533 in words is "two million, two hundred fifty-six thousand, five hundred thirty-three".