424545547 has 2 divisors, whose sum is σ = 424545548. Its totient is φ = 424545546.

The previous prime is 424545487. The next prime is 424545559. The reversal of 424545547 is 745545424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424545547 - 2⁷ = 424545419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424545647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212272773 + 212272774.

It is an arithmetic number, because the mean of its divisors is an integer number (212272774).

Almost surely, 2^424545547 is an apocalyptic number.

424545547 is a deficient number, since it is larger than the sum of its proper divisors (1).

424545547 is an equidigital number, since it uses as much as digits as its factorization.

424545547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448000, while the sum is 40.

The square root of 424545547 is about 20604.5030757842. The cubic root of 424545547 is about 751.5792187938.

The spelling of 424545547 in words is "four hundred twenty-four million, five hundred forty-five thousand, five hundred forty-seven".