425859 has 12 divisors (see below), whose sum is σ = 660744. Its totient is φ = 243264.

The previous prime is 425857. The next prime is 425861. The reversal of 425859 is 958524.

It is an interprime number because it is at equal distance from previous prime (425857) and next prime (425861).

It is not a de Polignac number, because 425859 - 2¹ = 425857 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁷ + 8⁶ + 5⁴ + 5⁶ + 9 .

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425859.

It is not an unprimeable number, because it can be changed into a prime (425851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁴²⁵⁸⁵⁹ is an apocalyptic number.

425859 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

425859 is a deficient number, since it is larger than the sum of its proper divisors (234885).

425859 is a wasteful number, since it uses less digits than its factorization.

425859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2907 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 425859 is about 652.5787308823. The cubic root of 425859 is about 75.2353495907.

The spelling of 425859 in words is "four hundred twenty-five thousand, eight hundred fifty-nine".