1153313 has 6 divisors (see below), whose sum is σ = 1341666. Its totient is φ = 988512.

The previous prime is 1153309. The next prime is 1153337. The reversal of 1153313 is 3133511.

It can be written as a sum of positive squares in only one way, i.e., 906304 + 247009 = 952^2 + 497^2 .

It is not a de Polignac number, because 1153313 - 2² = 1153309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153291 and 1153300.

It is not an unprimeable number, because it can be changed into a prime (1153343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11720 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (223611).

2^1153313 is an apocalyptic number.

It is an amenable number.

1153313 is a deficient number, since it is larger than the sum of its proper divisors (188353).

1153313 is an equidigital number, since it uses as much as digits as its factorization.

1153313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23551 (or 23544 counting only the distinct ones).

The product of its digits is 135, while the sum is 17.

The square root of 1153313 is about 1073.9241127752. The cubic root of 1153313 is about 104.8694674230.

Adding to 1153313 its reverse (3133511), we get a palindrome (4286824).

The spelling of 1153313 in words is "one million, one hundred fifty-three thousand, three hundred thirteen".