41425421 has 2 divisors, whose sum is σ = 41425422. Its totient is φ = 41425420.

The previous prime is 41425409. The next prime is 41425441. The reversal of 41425421 is 12452414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35832196 + 5593225 = 5986^2 + 2365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41425421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41425441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20712710 + 20712711.

It is an arithmetic number, because the mean of its divisors is an integer number (20712711).

Almost surely, 2^41425421 is an apocalyptic number.

It is an amenable number.

41425421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41425421 is an equidigital number, since it uses as much as digits as its factorization.

41425421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280, while the sum is 23.

The square root of 41425421 is about 6436.2583074330. The cubic root of 41425421 is about 346.0102600898.

Adding to 41425421 its reverse (12452414), we get a palindrome (53877835).

The spelling of 41425421 in words is "forty-one million, four hundred twenty-five thousand, four hundred twenty-one".