424375 has 20 divisors (see below), whose sum is σ = 612304. Its totient is φ = 288000.

The previous prime is 424351. The next prime is 424397. The reversal of 424375 is 573424.

It is not a de Polignac number, because 424375 - 2⁵ = 424343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

424375 is a lucky number.

It is a congruent number.

It is an unprimeable 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 19 ways as a sum of consecutive naturals, for example, 4327 + ... + 4423.

2⁴²⁴³⁷⁵ is an apocalyptic number.

424375 is a deficient number, since it is larger than the sum of its proper divisors (187929).

424375 is an frugal number, since it uses more digits than its factorization.

424375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 109 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 424375 is about 651.4407110398. The cubic root of 424375 is about 75.1478564695.

Adding to 424375 its reverse (573424), we get a palindrome (997799).

The spelling of 424375 in words is "four hundred twenty-four thousand, three hundred seventy-five".