424425451 has 8 divisors (see below), whose sum is σ = 453593520. Its totient is φ = 395724288.

The previous prime is 424425413. The next prime is 424425487. The reversal of 424425451 is 154524424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424425451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424425751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114846 + ... + 118483.

It is an arithmetic number, because the mean of its divisors is an integer number (56699190).

Almost surely, 2^424425451 is an apocalyptic number.

424425451 is a deficient number, since it is larger than the sum of its proper divisors (29168069).

424425451 is a wasteful number, since it uses less digits than its factorization.

424425451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233453.

The product of its digits is 25600, while the sum is 31.

The square root of 424425451 is about 20601.5885552547. The cubic root of 424425451 is about 751.5083428725.

Adding to 424425451 its reverse (154524424), we get a palindrome (578949875).

The spelling of 424425451 in words is "four hundred twenty-four million, four hundred twenty-five thousand, four hundred fifty-one".