11652251 has 4 divisors (see below), whose sum is σ = 12548592. Its totient is φ = 10755912.

The previous prime is 11652239. The next prime is 11652253. The reversal of 11652251 is 15225611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15225611 = 37 ⋅411503.

It is a cyclic number.

It is not a de Polignac number, because 11652251 - 2¹⁸ = 11390107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11652253) 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 3 ways as a sum of consecutive naturals, for example, 448151 + ... + 448176.

It is an arithmetic number, because the mean of its divisors is an integer number (3137148).

Almost surely, 2^11652251 is an apocalyptic number.

11652251 is a deficient number, since it is larger than the sum of its proper divisors (896341).

11652251 is an equidigital number, since it uses as much as digits as its factorization.

11652251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896340.

The product of its digits is 600, while the sum is 23.

The square root of 11652251 is about 3413.5393655266. The cubic root of 11652251 is about 226.7096172453.

Adding to 11652251 its reverse (15225611), we get a palindrome (26877862).

The spelling of 11652251 in words is "eleven million, six hundred fifty-two thousand, two hundred fifty-one".