40532521 has 8 divisors (see below), whose sum is σ = 41243904. Its totient is φ = 39824400.

The previous prime is 40532497. The next prime is 40532543. The reversal of 40532521 is 12523504.

40532521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40532521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40532492 and 40532501.

It is not an unprimeable number, because it can be changed into a prime (40532021) 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 7 ways as a sum of consecutive naturals, for example, 46536 + ... + 47398.

It is an arithmetic number, because the mean of its divisors is an integer number (5155488).

Almost surely, 2^40532521 is an apocalyptic number.

It is an amenable number.

40532521 is a deficient number, since it is larger than the sum of its proper divisors (711383).

40532521 is an equidigital number, since it uses as much as digits as its factorization.

40532521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40532521 is about 6366.5156090282. The cubic root of 40532521 is about 343.5061673141.

The spelling of 40532521 in words is "forty million, five hundred thirty-two thousand, five hundred twenty-one".