414421421 has 2 divisors, whose sum is σ = 414421422. Its totient is φ = 414421420.

The previous prime is 414421417. The next prime is 414421451. The reversal of 414421421 is 124124414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229189321 + 185232100 = 15139^2 + 13610^2 .

It is a cyclic number.

It is not a de Polignac number, because 414421421 - 2² = 414421417 is a prime.

It is a super-2 number, since 2×414421421² = 343490228367318482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414421451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207210710 + 207210711.

It is an arithmetic number, because the mean of its divisors is an integer number (207210711).

Almost surely, 2^414421421 is an apocalyptic number.

It is an amenable number.

414421421 is a deficient number, since it is larger than the sum of its proper divisors (1).

414421421 is an equidigital number, since it uses as much as digits as its factorization.

414421421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 414421421 is about 20357.3431714455. The cubic root of 414421421 is about 745.5567934987.

Adding to 414421421 its reverse (124124414), we get a palindrome (538545835).

The spelling of 414421421 in words is "four hundred fourteen million, four hundred twenty-one thousand, four hundred twenty-one".