11933521 has 2 divisors, whose sum is σ = 11933522. Its totient is φ = 11933520.

The previous prime is 11933513. The next prime is 11933531. The reversal of 11933521 is 12533911.

11933521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 3459600 = 2911^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 11933521 - 2³ = 11933513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11933531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5966760 + 5966761.

It is an arithmetic number, because the mean of its divisors is an integer number (5966761).

Almost surely, 2^11933521 is an apocalyptic number.

It is an amenable number.

11933521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11933521 is an equidigital number, since it uses as much as digits as its factorization.

11933521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 25.

The square root of 11933521 is about 3454.4928716094. The cubic root of 11933521 is about 228.5192906192.

The spelling of 11933521 in words is "eleven million, nine hundred thirty-three thousand, five hundred twenty-one".