1331253 has 48 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 645120.

The previous prime is 1331251. The next prime is 1331261. The reversal of 1331253 is 3521331.

It is not a de Polignac number, because 1331253 - 2¹ = 1331251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11725 + ... + 11837.

It is an arithmetic number, because the mean of its divisors is an integer number (53352).

2^1331253 is an apocalyptic number.

It is an amenable number.

1331253 is a deficient number, since it is larger than the sum of its proper divisors (1229643).

1331253 is a wasteful number, since it uses less digits than its factorization.

1331253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 151 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1331253 is about 1153.7993759749. The cubic root of 1331253 is about 110.0069692554.

Adding to 1331253 its reverse (3521331), we get a palindrome (4852584).

The spelling of 1331253 in words is "one million, three hundred thirty-one thousand, two hundred fifty-three".