425872 has 20 divisors (see below), whose sum is σ = 845680. Its totient is φ = 207648.

The previous prime is 425869. The next prime is 425879. The reversal of 425872 is 278524.

425872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4⁵ + 2¹⁰ + 8 + 5⁸ + 7⁵ + 2¹⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 425872.

It is not an unprimeable number, because it can be changed into a prime (425879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (42284).

2⁴²⁵⁸⁷² is an apocalyptic number.

It is an amenable number.

425872 is a deficient number, since it is larger than the sum of its proper divisors (419808).

425872 is a wasteful number, since it uses less digits than its factorization.

425872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 664 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 425872 is about 652.5886912903. The cubic root of 425872 is about 75.2361151411.

The spelling of 425872 in words is "four hundred twenty-five thousand, eight hundred seventy-two".