424525 has 6 divisors (see below), whose sum is σ = 526442. Its totient is φ = 339600.

The previous prime is 424519. The next prime is 424537. The reversal of 424525 is 525424.

It can be written as a sum of positive squares in 3 ways, for example, as 125316 + 299209 = 354^2 + 547^2 .

It is not a de Polignac number, because 424525 - 2⁵ = 424493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424496 and 424505.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 8466 + ... + 8515.

2⁴²⁴⁵²⁵ is an apocalyptic number.

It is an amenable number.

424525 is a deficient number, since it is larger than the sum of its proper divisors (101917).

424525 is a wasteful number, since it uses less digits than its factorization.

424525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991 (or 16986 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 424525 is about 651.5558303016. Note that the first 3 decimals coincide. The cubic root of 424525 is about 75.1567093713.

Adding to 424525 its reverse (525424), we get a palindrome (949949).

It can be divided in two parts, 424 and 525, that added together give a palindrome (949).

The spelling of 424525 in words is "four hundred twenty-four thousand, five hundred twenty-five".