425256 has 64 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 123648.

The previous prime is 425251. The next prime is 425273. The reversal of 425256 is 652524.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁷ + 2¹⁸ + 5² + 5⁶ + 6 .

It is not an unprimeable number, because it can be changed into a prime (425251) by changing a digit.

425256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9025 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2⁴²⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604800).

425256 is an abundant number, since it is smaller than the sum of its proper divisors (784344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425256 is a wasteful number, since it uses less digits than its factorization.

425256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 94 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 425256 is about 652.1165539994. The cubic root of 425256 is about 75.1998226946.

The spelling of 425256 in words is "four hundred twenty-five thousand, two hundred fifty-six".