11621925 has 72 divisors (see below), whose sum is σ = 24450816. Its totient is φ = 5166720.

The previous prime is 11621921. The next prime is 11621941. The reversal of 11621925 is 52912611.

11621925 is a `hidden beast` number, since 11 + 621 + 9 + 25 = 666.

11621925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621925 - 2² = 11621921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621921) 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 71 ways as a sum of consecutive naturals, for example, 73947 + ... + 74103.

Almost surely, 2^11621925 is an apocalyptic number.

11621925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11621925 is an abundant number, since it is smaller than the sum of its proper divisors (12828891).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11621925 is a wasteful number, since it uses less digits than its factorization.

11621925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 11621925 is about 3409.0944545436. The cubic root of 11621925 is about 226.5127691879.

The spelling of 11621925 in words is "eleven million, six hundred twenty-one thousand, nine hundred twenty-five".