11252521 has 8 divisors (see below), whose sum is σ = 13616640. Its totient is φ = 9077568.

The previous prime is 11252519. The next prime is 11252533. The reversal of 11252521 is 12525211.

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 11252521 - 2¹ = 11252519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11252321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47161 + ... + 47398.

It is an arithmetic number, because the mean of its divisors is an integer number (1702080).

Almost surely, 2^11252521 is an apocalyptic number.

It is an amenable number.

11252521 is a deficient number, since it is larger than the sum of its proper divisors (2364119).

11252521 is an equidigital number, since it uses as much as digits as its factorization.

11252521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94583.

The product of its digits is 200, while the sum is 19.

The square root of 11252521 is about 3354.4777536898. The cubic root of 11252521 is about 224.0869732946.

Adding to 11252521 its reverse (12525211), we get a palindrome (23777732).

The spelling of 11252521 in words is "eleven million, two hundred fifty-two thousand, five hundred twenty-one".