462421 has 2 divisors, whose sum is σ = 462422. Its totient is φ = 462420.

The previous prime is 462419. The next prime is 462437. The reversal of 462421 is 124264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343396 + 119025 = 586^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 462421 - 2¹ = 462419 is a prime.

It is a super-3 number, since 3×462421³ = 296642860507933383, which contains 333 as substring.

Together with 462419, 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 (462401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231210 + 231211.

It is an arithmetic number, because the mean of its divisors is an integer number (231211).

2⁴⁶²⁴²¹ is an apocalyptic number.

It is an amenable number.

462421 is a deficient number, since it is larger than the sum of its proper divisors (1).

462421 is an equidigital number, since it uses as much as digits as its factorization.

462421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 462421 is about 680.0154410012. The cubic root of 462421 is about 77.3296152757.

Adding to 462421 its reverse (124264), we get a palindrome (586685).

The spelling of 462421 in words is "four hundred sixty-two thousand, four hundred twenty-one".