425685498 has 16 divisors (see below), whose sum is σ = 972995520. Its totient is φ = 121624416.

The previous prime is 425685437. The next prime is 425685499. The reversal of 425685498 is 894586524.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 425685498.

It is not an unprimeable number, because it can be changed into a prime (425685499) 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 in 7 ways as a sum of consecutive naturals, for example, 5067643 + ... + 5067726.

It is an arithmetic number, because the mean of its divisors is an integer number (60812220).

Almost surely, 2^425685498 is an apocalyptic number.

425685498 is an abundant number, since it is smaller than the sum of its proper divisors (547310022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425685498 is a wasteful number, since it uses less digits than its factorization.

425685498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135381.

The product of its digits is 2764800, while the sum is 51.

The square root of 425685498 is about 20632.1471980015. The cubic root of 425685498 is about 752.2513082752.

The spelling of 425685498 in words is "four hundred twenty-five million, six hundred eighty-five thousand, four hundred ninety-eight".