11509252 has 6 divisors (see below), whose sum is σ = 20141198. Its totient is φ = 5754624.

The previous prime is 11509249. The next prime is 11509261. The reversal of 11509252 is 25290511.

11509252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 2604996 = 2984^2 + 1614^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438653 + ... + 1438660.

Almost surely, 2^11509252 is an apocalyptic number.

It is an amenable number.

11509252 is a deficient number, since it is larger than the sum of its proper divisors (8631946).

11509252 is a wasteful number, since it uses less digits than its factorization.

11509252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877317 (or 2877315 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 11509252 is about 3392.5288502826. The cubic root of 11509252 is about 225.7783871929.

Adding to 11509252 its reverse (25290511), we get a palindrome (36799763).

The spelling of 11509252 in words is "eleven million, five hundred nine thousand, two hundred fifty-two".