425574 has 40 divisors (see below), whose sum is σ = 993168. Its totient is φ = 136080.

The previous prime is 425563. The next prime is 425591. The reversal of 425574 is 475524.

It is a super-2 number, since 2×425574² = 362226458952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 425574.

It is an unprimeable number.

425574 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 19 ways as a sum of consecutive naturals, for example, 5959 + ... + 6029.

2⁴²⁵⁵⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496584).

425574 is an abundant number, since it is smaller than the sum of its proper divisors (567594).

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

425574 is a wasteful number, since it uses less digits than its factorization.

425574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 113 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 425574 is about 652.3603298791. The cubic root of 425574 is about 75.2185624540.

It can be divided in two parts, 425 and 574, that added together give a palindrome (999).

The spelling of 425574 in words is "four hundred twenty-five thousand, five hundred seventy-four".