4461421 has 2 divisors, whose sum is σ = 4461422. Its totient is φ = 4461420.

The previous prime is 4461419. The next prime is 4461433. The reversal of 4461421 is 1241644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 1946025 = 1586^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 4461421 - 2¹ = 4461419 is a prime.

It is a super-3 number, since 3×4461421³ (a number of 21 digits) contains 333 as substring.

Together with 4461419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4461392 and 4461401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4461451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2230710 + 2230711.

It is an arithmetic number, because the mean of its divisors is an integer number (2230711).

Almost surely, 2^4461421 is an apocalyptic number.

It is an amenable number.

4461421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4461421 is an equidigital number, since it uses as much as digits as its factorization.

4461421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 4461421 is about 2112.2076129017. The cubic root of 4461421 is about 164.6232112453.

The spelling of 4461421 in words is "four million, four hundred sixty-one thousand, four hundred twenty-one".