1275523 has 2 divisors, whose sum is σ = 1275524. Its totient is φ = 1275522.

The previous prime is 1275503. The next prime is 1275539. The reversal of 1275523 is 3255721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275523 - 2⁹ = 1275011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1275503) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637761 + 637762.

It is an arithmetic number, because the mean of its divisors is an integer number (637762).

2^1275523 is an apocalyptic number.

1275523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275523 is an equidigital number, since it uses as much as digits as its factorization.

1275523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 25.

The square root of 1275523 is about 1129.3905436119. The cubic root of 1275523 is about 108.4499687927.

The spelling of 1275523 in words is "one million, two hundred seventy-five thousand, five hundred twenty-three".