41421001 has 2 divisors, whose sum is σ = 41421002. Its totient is φ = 41421000.

The previous prime is 41420989. The next prime is 41421041. The reversal of 41421001 is 10012414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 1428025 = 6324^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 41421001 - 2¹⁵ = 41388233 is a prime.

It is not a weakly prime, because it can be changed into another prime (41421041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20710500 + 20710501.

It is an arithmetic number, because the mean of its divisors is an integer number (20710501).

Almost surely, 2^41421001 is an apocalyptic number.

It is an amenable number.

41421001 is a deficient number, since it is larger than the sum of its proper divisors (1).

41421001 is an equidigital number, since it uses as much as digits as its factorization.

41421001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 41421001 is about 6435.9149310723. The cubic root of 41421001 is about 345.9979534778.

Adding to 41421001 its reverse (10012414), we get a palindrome (51433415).

The spelling of 41421001 in words is "forty-one million, four hundred twenty-one thousand, one".