985425047 has 2 divisors, whose sum is σ = 985425048. Its totient is φ = 985425046.

The previous prime is 985425031. The next prime is 985425121. The reversal of 985425047 is 740524589.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985425047 - 2⁴ = 985425031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985424989 and 985425007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985428047) 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, 492712523 + 492712524.

It is an arithmetic number, because the mean of its divisors is an integer number (492712524).

Almost surely, 2^985425047 is an apocalyptic number.

985425047 is a deficient number, since it is larger than the sum of its proper divisors (1).

985425047 is an equidigital number, since it uses as much as digits as its factorization.

985425047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 985425047 is about 31391.4804843607. The cubic root of 985425047 is about 995.1178860855.

The spelling of 985425047 in words is "nine hundred eighty-five million, four hundred twenty-five thousand, forty-seven".