41530521 has 4 divisors (see below), whose sum is σ = 55374032. Its totient is φ = 27687012.

The previous prime is 41530501. The next prime is 41530547. The reversal of 41530521 is 12503514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 41530521 - 2⁶ = 41530457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41530501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6921751 + ... + 6921756.

It is an arithmetic number, because the mean of its divisors is an integer number (13843508).

Almost surely, 2^41530521 is an apocalyptic number.

It is an amenable number.

41530521 is a deficient number, since it is larger than the sum of its proper divisors (13843511).

41530521 is a wasteful number, since it uses less digits than its factorization.

41530521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13843510.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 41530521 is about 6444.4178169948. The cubic root of 41530521 is about 346.3026326347.

The spelling of 41530521 in words is "forty-one million, five hundred thirty thousand, five hundred twenty-one".