425505589 has 16 divisors (see below), whose sum is σ = 471715200. Its totient is φ = 382003776.

The previous prime is 425505583. The next prime is 425505601. The reversal of 425505589 is 985505524.

It is a cyclic number.

It is not a de Polignac number, because 425505589 - 2¹⁷ = 425374517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425505583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43167 + ... + 52099.

It is an arithmetic number, because the mean of its divisors is an integer number (29482200).

Almost surely, 2^425505589 is an apocalyptic number.

It is an amenable number.

425505589 is a deficient number, since it is larger than the sum of its proper divisors (46209611).

425505589 is a wasteful number, since it uses less digits than its factorization.

425505589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084.

The product of its (nonzero) digits is 360000, while the sum is 43.

The square root of 425505589 is about 20627.7868177854. The cubic root of 425505589 is about 752.1453177793.

The spelling of 425505589 in words is "four hundred twenty-five million, five hundred five thousand, five hundred eighty-nine".