11565253 has 8 divisors (see below), whose sum is σ = 13995072. Its totient is φ = 9329856.

The previous prime is 11565247. The next prime is 11565259. The reversal of 11565253 is 35256511.

It is an interprime number because it is at equal distance from previous prime (11565247) and next prime (11565259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11565253 - 2⁹ = 11564741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11565259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48475 + ... + 48712.

It is an arithmetic number, because the mean of its divisors is an integer number (1749384).

Almost surely, 2^11565253 is an apocalyptic number.

It is an amenable number.

11565253 is a deficient number, since it is larger than the sum of its proper divisors (2429819).

11565253 is an equidigital number, since it uses as much as digits as its factorization.

11565253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97211.

The product of its digits is 4500, while the sum is 28.

The square root of 11565253 is about 3400.7724122617. The cubic root of 11565253 is about 226.1439876551.

The spelling of 11565253 in words is "eleven million, five hundred sixty-five thousand, two hundred fifty-three".