1255583 has 4 divisors (see below), whose sum is σ = 1434960. Its totient is φ = 1076208.

The previous prime is 1255567. The next prime is 1255591. The reversal of 1255583 is 3855521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3855521 = 29 ⋅132949.

It is not a de Polignac number, because 1255583 - 2⁴ = 1255567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255183) 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 in 3 ways as a sum of consecutive naturals, for example, 89678 + ... + 89691.

It is an arithmetic number, because the mean of its divisors is an integer number (358740).

2^1255583 is an apocalyptic number.

1255583 is a deficient number, since it is larger than the sum of its proper divisors (179377).

1255583 is an equidigital number, since it uses as much as digits as its factorization.

1255583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179376.

The product of its digits is 6000, while the sum is 29.

The square root of 1255583 is about 1120.5280005426. The cubic root of 1255583 is about 107.8818724427.

The spelling of 1255583 in words is "one million, two hundred fifty-five thousand, five hundred eighty-three".