425590 has 32 divisors (see below), whose sum is σ = 863136.
Its totient is φ = 149760.
The previous prime is 425563. The next prime is 425591. The reversal of 425590 is 95524.
425590 is nontrivially palindromic in base 9 and base 16.
425590 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.
It is a super-2 number, since 2×4255902 = 362253696200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (425591) by changing a digit.
425590 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 15 ways as a sum of consecutive naturals, for example, 5794 + ... + 5866.
It is an arithmetic number, because the mean of its divisors is an integer number (26973).
2425590 is an apocalyptic number.
425590 is an abundant number, since it is smaller than the sum of its proper divisors (437546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
425590 is a wasteful number, since it uses less digits than its factorization.
425590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 425590 is about 652.3725929252.
The cubic root of 425590 is about 75.2195050883.
The spelling of 425590 in words is "four hundred twenty-five thousand, five hundred ninety".