421414241 has 8 divisors (see below), whose sum is σ = 446591880. Its totient is φ = 396279808.

The previous prime is 421414229. The next prime is 421414247. The reversal of 421414241 is 142414124.

It can be written as a sum of positive squares in 4 ways, for example, as 120912016 + 300502225 = 10996^2 + 17335^2 .

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 421414241 - 2¹⁴ = 421397857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421414247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10505 + ... + 30873.

It is an arithmetic number, because the mean of its divisors is an integer number (55823985).

Almost surely, 2^421414241 is an apocalyptic number.

It is an amenable number.

421414241 is a deficient number, since it is larger than the sum of its proper divisors (25177639).

421414241 is a wasteful number, since it uses less digits than its factorization.

421414241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21603.

The product of its digits is 1024, while the sum is 23.

The square root of 421414241 is about 20528.3764823232. The cubic root of 421414241 is about 749.7268581664.

Adding to 421414241 its reverse (142414124), we get a palindrome (563828365).

The spelling of 421414241 in words is "four hundred twenty-one million, four hundred fourteen thousand, two hundred forty-one".