41145541 has 4 divisors (see below), whose sum is σ = 41185312. Its totient is φ = 41105772.

The previous prime is 41145527. The next prime is 41145547. The reversal of 41145541 is 14554114.

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 41145541 - 2²¹ = 39048389 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 (41145547) 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, 18291 + ... + 20416.

It is an arithmetic number, because the mean of its divisors is an integer number (10296328).

Almost surely, 2^41145541 is an apocalyptic number.

It is an amenable number.

41145541 is a deficient number, since it is larger than the sum of its proper divisors (39771).

41145541 is a wasteful number, since it uses less digits than its factorization.

41145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39770.

The product of its digits is 1600, while the sum is 25.

The square root of 41145541 is about 6414.4790123595. The cubic root of 41145541 is about 345.2292560109.

Adding to 41145541 its reverse (14554114), we get a palindrome (55699655).

The spelling of 41145541 in words is "forty-one million, one hundred forty-five thousand, five hundred forty-one".