425831982 has 16 divisors (see below), whose sum is σ = 888693120. Its totient is φ = 135772472.

The previous prime is 425831977. The next prime is 425831993. The reversal of 425831982 is 289138524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542732 + ... + 1543007.

It is an arithmetic number, because the mean of its divisors is an integer number (55543320).

Almost surely, 2^425831982 is an apocalyptic number.

425831982 is an abundant number, since it is smaller than the sum of its proper divisors (462861138).

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

425831982 is a wasteful number, since it uses less digits than its factorization.

425831982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085767.

The product of its digits is 138240, while the sum is 42.

The square root of 425831982 is about 20635.6967897864. The cubic root of 425831982 is about 752.3375849152.

The spelling of 425831982 in words is "four hundred twenty-five million, eight hundred thirty-one thousand, nine hundred eighty-two".