424544387 has 2 divisors, whose sum is σ = 424544388. Its totient is φ = 424544386.

The previous prime is 424544377. The next prime is 424544423. The reversal of 424544387 is 783445424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424544387 - 2⁴ = 424544371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424544377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212272193 + 212272194.

It is an arithmetic number, because the mean of its divisors is an integer number (212272194).

Almost surely, 2^424544387 is an apocalyptic number.

424544387 is a deficient number, since it is larger than the sum of its proper divisors (1).

424544387 is an equidigital number, since it uses as much as digits as its factorization.

424544387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 41.

The square root of 424544387 is about 20604.4749265784. The cubic root of 424544387 is about 751.5785342715.

The spelling of 424544387 in words is "four hundred twenty-four million, five hundred forty-four thousand, three hundred eighty-seven".