425983 has 4 divisors (see below), whose sum is σ = 444528. Its totient is φ = 407440.

The previous prime is 425977. The next prime is 425987. The reversal of 425983 is 389524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425983 - 2⁹ = 425471 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425987) 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 in 3 ways as a sum of consecutive naturals, for example, 9238 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (111132).

425983 is a Friedman number, since it can be written as 8^5*(9+4)-3+2, using all its digits and the basic arithmetic operations.

2⁴²⁵⁹⁸³ is an apocalyptic number.

425983 is a deficient number, since it is larger than the sum of its proper divisors (18545).

425983 is a wasteful number, since it uses less digits than its factorization.

425983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18544.

The product of its digits is 8640, while the sum is 31.

The square root of 425983 is about 652.6737316608. The cubic root of 425983 is about 75.2426511294.

The spelling of 425983 in words is "four hundred twenty-five thousand, nine hundred eighty-three".