1255493 has 4 divisors (see below), whose sum is σ = 1273248. Its totient is φ = 1237740.

The previous prime is 1255477. The next prime is 1255519. The reversal of 1255493 is 3945521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1255493 - 2⁴ = 1255477 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 (1255453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8771 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (318312).

2^1255493 is an apocalyptic number.

It is an amenable number.

1255493 is a deficient number, since it is larger than the sum of its proper divisors (17755).

1255493 is an equidigital number, since it uses as much as digits as its factorization.

1255493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17754.

The product of its digits is 5400, while the sum is 29.

The square root of 1255493 is about 1120.4878401839. The cubic root of 1255493 is about 107.8792947290.

The spelling of 1255493 in words is "one million, two hundred fifty-five thousand, four hundred ninety-three".