425863 has 4 divisors (see below), whose sum is σ = 429880. Its totient is φ = 421848.

The previous prime is 425861. The next prime is 425869. The reversal of 425863 is 368524.

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 425863 - 2¹ = 425861 is a prime.

It is a Duffinian number.

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 (425861) 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 3 ways as a sum of consecutive naturals, for example, 1845 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (107470).

2⁴²⁵⁸⁶³ is an apocalyptic number.

425863 is a deficient number, since it is larger than the sum of its proper divisors (4017).

425863 is a wasteful number, since it uses less digits than its factorization.

425863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016.

The product of its digits is 5760, while the sum is 28.

The square root of 425863 is about 652.5817956394. The cubic root of 425863 is about 75.2355851463.

The spelling of 425863 in words is "four hundred twenty-five thousand, eight hundred sixty-three".