11385225 has 48 divisors (see below), whose sum is σ = 21248640. Its totient is φ = 5976000.

The previous prime is 11385217. The next prime is 11385229. The reversal of 11385225 is 52258311.

It is a happy number.

11385225 is a `hidden beast` number, since 1 + 138 + 522 + 5 = 666.

It is not a de Polignac number, because 11385225 - 2³ = 11385217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11385229) 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 47 ways as a sum of consecutive naturals, for example, 68092 + ... + 68258.

It is an arithmetic number, because the mean of its divisors is an integer number (442680).

Almost surely, 2^11385225 is an apocalyptic number.

11385225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11385225 is a deficient number, since it is larger than the sum of its proper divisors (9863415).

11385225 is a wasteful number, since it uses less digits than its factorization.

11385225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11385225 is about 3374.1999051627. The cubic root of 11385225 is about 224.9644388243.

The spelling of 11385225 in words is "eleven million, three hundred eighty-five thousand, two hundred twenty-five".