2566253 has 2 divisors, whose sum is σ = 2566254. Its totient is φ = 2566252.

The previous prime is 2566241. The next prime is 2566259. The reversal of 2566253 is 3526652.

It is a happy number.

2566253 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 + 310249 = 1502^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566253 - 2⁴ = 2566237 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁷ + 6³ + 6⁴ + 2¹¹ + 5⁹ + 3¹² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566259) 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, 1283126 + 1283127.

It is an arithmetic number, because the mean of its divisors is an integer number (1283127).

2^2566253 is an apocalyptic number.

It is an amenable number.

2566253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566253 is an equidigital number, since it uses as much as digits as its factorization.

2566253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 2566253 is about 1601.9528707175. The cubic root of 2566253 is about 136.9093651680.

The spelling of 2566253 in words is "two million, five hundred sixty-six thousand, two hundred fifty-three".