41429821 has 2 divisors, whose sum is σ = 41429822. Its totient is φ = 41429820.

The previous prime is 41429819. The next prime is 41429827. The reversal of 41429821 is 12892414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26522500 + 14907321 = 5150^2 + 3861^2 .

It is a cyclic number.

It is not a de Polignac number, because 41429821 - 2¹ = 41429819 is a prime.

It is a super-3 number, since 3×41429821³ (a number of 24 digits) contains 333 as substring.

Together with 41429819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41429827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20714910 + 20714911.

It is an arithmetic number, because the mean of its divisors is an integer number (20714911).

Almost surely, 2^41429821 is an apocalyptic number.

It is an amenable number.

41429821 is a deficient number, since it is larger than the sum of its proper divisors (1).

41429821 is an equidigital number, since it uses as much as digits as its factorization.

41429821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 41429821 is about 6436.6001118603. The cubic root of 41429821 is about 346.0225101463.

The spelling of 41429821 in words is "forty-one million, four hundred twenty-nine thousand, eight hundred twenty-one".