41771021 has 4 divisors (see below), whose sum is σ = 41790972. Its totient is φ = 41751072.

The previous prime is 41771011. The next prime is 41771027. The reversal of 41771021 is 12017714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12017714 = 2 ⋅6008857.

It can be written as a sum of positive squares in 2 ways, for example, as 22944100 + 18826921 = 4790^2 + 4339^2 .

It is a cyclic number.

It is not a de Polignac number, because 41771021 - 2⁶ = 41770957 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 (41771027) 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, 6410 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (10447743).

Almost surely, 2^41771021 is an apocalyptic number.

It is an amenable number.

41771021 is a deficient number, since it is larger than the sum of its proper divisors (19951).

41771021 is a wasteful number, since it uses less digits than its factorization.

41771021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 41771021 is about 6463.0504407749. The cubic root of 41771021 is about 346.9698169064.

Adding to 41771021 its reverse (12017714), we get a palindrome (53788735).

The spelling of 41771021 in words is "forty-one million, seven hundred seventy-one thousand, twenty-one".