1326253 has 2 divisors, whose sum is σ = 1326254. Its totient is φ = 1326252.

The previous prime is 1326251. The next prime is 1326271. The reversal of 1326253 is 3526231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751689 + 574564 = 867^2 + 758^2 .

It is an emirp because it is prime and its reverse (3526231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1326253 - 2¹ = 1326251 is a prime.

Together with 1326251, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326251) 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, 663126 + 663127.

It is an arithmetic number, because the mean of its divisors is an integer number (663127).

2^1326253 is an apocalyptic number.

It is an amenable number.

1326253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326253 is an equidigital number, since it uses as much as digits as its factorization.

1326253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 1326253 is about 1151.6305831299. The cubic root of 1326253 is about 109.8690728764.

Subtracting from 1326253 its sum of digits (22), we obtain a palindrome (1326231).

The spelling of 1326253 in words is "one million, three hundred twenty-six thousand, two hundred fifty-three".