11532521 has 32 divisors (see below), whose sum is σ = 15918336. Its totient is φ = 8064000.

The previous prime is 11532481. The next prime is 11532539. The reversal of 11532521 is 12523511.

It is a happy number.

It is not a de Polignac number, because 11532521 - 2⁶ = 11532457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11532493 and 11532502.

It is not an unprimeable number, because it can be changed into a prime (11532571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40901 + ... + 41181.

It is an arithmetic number, because the mean of its divisors is an integer number (497448).

Almost surely, 2^11532521 is an apocalyptic number.

11532521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11532521 is a deficient number, since it is larger than the sum of its proper divisors (4385815).

11532521 is a wasteful number, since it uses less digits than its factorization.

11532521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its digits is 300, while the sum is 20.

The square root of 11532521 is about 3395.9565662711. The cubic root of 11532521 is about 225.9304416943.

The spelling of 11532521 in words is "eleven million, five hundred thirty-two thousand, five hundred twenty-one".