41023021 has 4 divisors (see below), whose sum is σ = 44178652. Its totient is φ = 37867392.

The previous prime is 41023009. The next prime is 41023027. The reversal of 41023021 is 12032014.

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 3200521 + 37822500 = 1789^2 + 6150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41023021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 3155617 = 41023021 / (4 + 1 + 0 + 2 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41022992 and 41023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41023027) 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, 1577796 + ... + 1577821.

It is an arithmetic number, because the mean of its divisors is an integer number (11044663).

Almost surely, 2^41023021 is an apocalyptic number.

It is an amenable number.

41023021 is a deficient number, since it is larger than the sum of its proper divisors (3155631).

41023021 is a wasteful number, since it uses less digits than its factorization.

41023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155630.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 41023021 is about 6404.9216232519. The cubic root of 41023021 is about 344.8862496940.

Adding to 41023021 its reverse (12032014), we get a palindrome (53055035).

The spelling of 41023021 in words is "forty-one million, twenty-three thousand, twenty-one".