424451 has 2 divisors, whose sum is σ = 424452. Its totient is φ = 424450.

The previous prime is 424433. The next prime is 424471. The reversal of 424451 is 154424.

It is an a-pointer prime, because the next prime (424471) can be obtained adding 424451 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424451 - 2¹⁰ = 423427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212225 + 212226.

It is an arithmetic number, because the mean of its divisors is an integer number (212226).

2⁴²⁴⁴⁵¹ is an apocalyptic number.

424451 is a deficient number, since it is larger than the sum of its proper divisors (1).

424451 is an equidigital number, since it uses as much as digits as its factorization.

424451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 20.

The square root of 424451 is about 651.4990406747. The cubic root of 424451 is about 75.1523422004.

Adding to 424451 its reverse (154424), we get a palindrome (578875).

The spelling of 424451 in words is "four hundred twenty-four thousand, four hundred fifty-one".