425873 has 8 divisors (see below), whose sum is σ = 493248. Its totient is φ = 360144.

The previous prime is 425869. The next prime is 425879. The reversal of 425873 is 378524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425873 - 2² = 425869 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 2¹⁵ + 8⁵ + 5 + 7⁶ + 3¹¹ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425873.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (61656).

2⁴²⁵⁸⁷³ is an apocalyptic number.

It is an amenable number.

425873 is a deficient number, since it is larger than the sum of its proper divisors (67375).

425873 is an equidigital number, since it uses as much as digits as its factorization.

425873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its digits is 6720, while the sum is 29.

The square root of 425873 is about 652.5894574692. The cubic root of 425873 is about 75.2361740289.

The spelling of 425873 in words is "four hundred twenty-five thousand, eight hundred seventy-three".