41570021 has 8 divisors (see below), whose sum is σ = 43345920. Its totient is φ = 39817008.

The previous prime is 41569999. The next prime is 41570033. The reversal of 41570021 is 12007514.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41570021 - 2¹⁰ = 41568997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41569975 and 41570002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41570041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (5418240).

Almost surely, 2^41570021 is an apocalyptic number.

It is an amenable number.

41570021 is a deficient number, since it is larger than the sum of its proper divisors (1775899).

41570021 is a wasteful number, since it uses less digits than its factorization.

41570021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11443.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 41570021 is about 6447.4817564690. The cubic root of 41570021 is about 346.4123882171.

Adding to 41570021 its reverse (12007514), we get a palindrome (53577535).

The spelling of 41570021 in words is "forty-one million, five hundred seventy thousand, twenty-one".