425799 has 36 divisors (see below), whose sum is σ = 746928. Its totient is φ = 232320.

The previous prime is 425791. The next prime is 425801. The reversal of 425799 is 997524.

It is not a de Polignac number, because 425799 - 2³ = 425791 is a prime.

Its product of digits (22680) is a multiple of the sum of its prime divisors (54).

425799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18502 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2⁴²⁵⁷⁹⁹ is an apocalyptic number.

425799 is a deficient number, since it is larger than the sum of its proper divisors (321129).

425799 is a wasteful number, since it uses less digits than its factorization.

425799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 54 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 425799 is about 652.5327577984. The cubic root of 425799 is about 75.2318160792.

It can be divided in two parts, 4257 and 99, that added together give a square (4356 = 66²).

The spelling of 425799 in words is "four hundred twenty-five thousand, seven hundred ninety-nine".