424625 has 16 divisors (see below), whose sum is σ = 549120. Its totient is φ = 327600.

The previous prime is 424601. The next prime is 424639. The reversal of 424625 is 526424.

It is not a de Polignac number, because 424625 - 2¹⁰ = 423601 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 2¹⁵ + 6⁷ + 4⁵ + 2¹⁵ + 5⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 424625.

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 424625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5336 + ... + 5414.

It is an arithmetic number, because the mean of its divisors is an integer number (34320).

2⁴²⁴⁶²⁵ is an apocalyptic number.

It is an amenable number.

424625 is a deficient number, since it is larger than the sum of its proper divisors (124495).

424625 is an equidigital number, since it uses as much as digits as its factorization.

424625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 127 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 424625 is about 651.6325651776. The cubic root of 424625 is about 75.1626101474.

The spelling of 424625 in words is "four hundred twenty-four thousand, six hundred twenty-five".