425502 has 48 divisors (see below), whose sum is σ = 1153152. Its totient is φ = 110160.

The previous prime is 425501. The next prime is 425519. The reversal of 425502 is 205524.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425502.

It is not an unprimeable number, because it can be changed into a prime (425501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1233 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (24024).

2⁴²⁵⁵⁰² is an apocalyptic number.

425502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 425502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576576).

425502 is an abundant number, since it is smaller than the sum of its proper divisors (727650).

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

425502 is a wasteful number, since it uses less digits than its factorization.

425502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 425502 is about 652.3051433187. The cubic root of 425502 is about 75.2143203074.

The spelling of 425502 in words is "four hundred twenty-five thousand, five hundred two".