1006253 has 2 divisors, whose sum is σ = 1006254. Its totient is φ = 1006252.

The previous prime is 1006249. The next prime is 1006267. The reversal of 1006253 is 3526001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619369 + 386884 = 787^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006253 - 2² = 1006249 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503126 + 503127.

It is an arithmetic number, because the mean of its divisors is an integer number (503127).

2^1006253 is an apocalyptic number.

It is an amenable number.

1006253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006253 is an equidigital number, since it uses as much as digits as its factorization.

1006253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1006253 is about 1003.1216277202. The cubic root of 1006253 is about 100.2080003917.

The spelling of 1006253 in words is "one million, six thousand, two hundred fifty-three".