41530133 has 4 divisors (see below), whose sum is σ = 43973100. Its totient is φ = 39087168.

The previous prime is 41530127. The next prime is 41530141. The reversal of 41530133 is 33103514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17156164 + 24373969 = 4142^2 + 4937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41530133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41530123) 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, 1221458 + ... + 1221491.

It is an arithmetic number, because the mean of its divisors is an integer number (10993275).

Almost surely, 2^41530133 is an apocalyptic number.

It is an amenable number.

41530133 is a deficient number, since it is larger than the sum of its proper divisors (2442967).

41530133 is a wasteful number, since it uses less digits than its factorization.

41530133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442966.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 41530133 is about 6444.3877133518. The cubic root of 41530133 is about 346.3015541841.

Adding to 41530133 its reverse (33103514), we get a palindrome (74633647).

The spelling of 41530133 in words is "forty-one million, five hundred thirty thousand, one hundred thirty-three".