425934547 has 2 divisors, whose sum is σ = 425934548. Its totient is φ = 425934546.

The previous prime is 425934521. The next prime is 425934557. The reversal of 425934547 is 745439524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425934547 - 2¹⁹ = 425410259 is a prime.

It is not a weakly prime, because it can be changed into another prime (425934557) 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 as a sum of consecutive naturals, namely, 212967273 + 212967274.

It is an arithmetic number, because the mean of its divisors is an integer number (212967274).

Almost surely, 2^425934547 is an apocalyptic number.

425934547 is a deficient number, since it is larger than the sum of its proper divisors (1).

425934547 is an equidigital number, since it uses as much as digits as its factorization.

425934547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 425934547 is about 20638.1817755344. The cubic root of 425934547 is about 752.3979822185.

The spelling of 425934547 in words is "four hundred twenty-five million, nine hundred thirty-four thousand, five hundred forty-seven".