1255648523 has 2 divisors, whose sum is σ = 1255648524. Its totient is φ = 1255648522.

The previous prime is 1255648507. The next prime is 1255648529. The reversal of 1255648523 is 3258465521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255648523 - 2⁴ = 1255648507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255648529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627824261 + 627824262.

It is an arithmetic number, because the mean of its divisors is an integer number (627824262).

Almost surely, 2^1255648523 is an apocalyptic number.

1255648523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255648523 is an equidigital number, since it uses as much as digits as its factorization.

1255648523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 41.

The square root of 1255648523 is about 35435.1311977252. The cubic root of 1255648523 is about 1078.8374902668.

The spelling of 1255648523 in words is "one billion, two hundred fifty-five million, six hundred forty-eight thousand, five hundred twenty-three".