11515253 has 2 divisors, whose sum is σ = 11515254. Its totient is φ = 11515252.

The previous prime is 11515243. The next prime is 11515279. The reversal of 11515253 is 35251511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9778129 + 1737124 = 3127^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 11515253 - 2¹⁰ = 11514229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11515243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757626 + 5757627.

It is an arithmetic number, because the mean of its divisors is an integer number (5757627).

Almost surely, 2^11515253 is an apocalyptic number.

It is an amenable number.

11515253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515253 is an equidigital number, since it uses as much as digits as its factorization.

11515253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 750, while the sum is 23.

The square root of 11515253 is about 3393.4131784974. The cubic root of 11515253 is about 225.8176211554.

Adding to 11515253 its reverse (35251511), we get a palindrome (46766764).

The spelling of 11515253 in words is "eleven million, five hundred fifteen thousand, two hundred fifty-three".