1253311 has 4 divisors (see below), whose sum is σ = 1255552. Its totient is φ = 1251072.

The previous prime is 1253279. The next prime is 1253323. The reversal of 1253311 is 1133521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1133521 = 19 ⋅59659.

It is a cyclic number.

It is not a de Polignac number, because 1253311 - 2⁵ = 1253279 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 (1253381) 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, 511 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (313888).

2^1253311 is an apocalyptic number.

1253311 is a deficient number, since it is larger than the sum of its proper divisors (2241).

1253311 is a wasteful number, since it uses less digits than its factorization.

1253311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 90, while the sum is 16.

The square root of 1253311 is about 1119.5137337255. The cubic root of 1253311 is about 107.8167617583.

Adding to 1253311 its reverse (1133521), we get a palindrome (2386832).

It can be divided in two parts, 12533 and 11, that added together give a square (12544 = 112²).

The spelling of 1253311 in words is "one million, two hundred fifty-three thousand, three hundred eleven".