1253893 has 4 divisors (see below), whose sum is σ = 1287820. Its totient is φ = 1219968.

The previous prime is 1253887. The next prime is 1253897. The reversal of 1253893 is 3983521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3983521 = 19 ⋅209659.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 91809 = 1078^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253893 - 2⁹ = 1253381 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 (1253897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16908 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (321955).

2^1253893 is an apocalyptic number.

It is an amenable number.

1253893 is a deficient number, since it is larger than the sum of its proper divisors (33927).

1253893 is an equidigital number, since it uses as much as digits as its factorization.

1253893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33926.

The product of its digits is 6480, while the sum is 31.

The square root of 1253893 is about 1119.7736378394. The cubic root of 1253893 is about 107.8334481314.

The spelling of 1253893 in words is "one million, two hundred fifty-three thousand, eight hundred ninety-three".