41142521 has 4 divisors (see below), whose sum is σ = 47020032. Its totient is φ = 35265012.

The previous prime is 41142511. The next prime is 41142527. The reversal of 41142521 is 12524114.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 41142521 - 2⁶ = 41142457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41142493 and 41142502.

It is not an unprimeable number, because it can be changed into a prime (41142527) 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, 2938745 + ... + 2938758.

It is an arithmetic number, because the mean of its divisors is an integer number (11755008).

Almost surely, 2^41142521 is an apocalyptic number.

It is an amenable number.

41142521 is a deficient number, since it is larger than the sum of its proper divisors (5877511).

41142521 is an equidigital number, since it uses as much as digits as its factorization.

41142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877510.

The product of its digits is 320, while the sum is 20.

The square root of 41142521 is about 6414.2436031071. The cubic root of 41142521 is about 345.2208094264.

Adding to 41142521 its reverse (12524114), we get a palindrome (53666635).

The spelling of 41142521 in words is "forty-one million, one hundred forty-two thousand, five hundred twenty-one".