425589847 has 2 divisors, whose sum is σ = 425589848. Its totient is φ = 425589846.

The previous prime is 425589839. The next prime is 425589869. The reversal of 425589847 is 748985524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425589847 - 2³ = 425589839 is a prime.

It is a super-2 number, since 2×425589847² = 362253435738966818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425589794 and 425589803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425589247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212794923 + 212794924.

It is an arithmetic number, because the mean of its divisors is an integer number (212794924).

Almost surely, 2^425589847 is an apocalyptic number.

425589847 is a deficient number, since it is larger than the sum of its proper divisors (1).

425589847 is an equidigital number, since it uses as much as digits as its factorization.

425589847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 52.

The square root of 425589847 is about 20629.8290589137. The cubic root of 425589847 is about 752.1949607446.

The spelling of 425589847 in words is "four hundred twenty-five million, five hundred eighty-nine thousand, eight hundred forty-seven".