425275 has 6 divisors (see below), whose sum is σ = 527372. Its totient is φ = 340200.

The previous prime is 425273. The next prime is 425279. The reversal of 425275 is 572524.

It is not a de Polignac number, because 425275 - 2¹ = 425273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 17011 = 425275 / (4 + 2 + 5 + 2 + 7 + 5).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁸ + 2¹⁵ + 2¹⁷ + 5³ + 7⁶ + 5⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425273) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8481 + ... + 8530.

2⁴²⁵²⁷⁵ is an apocalyptic number.

425275 is a deficient number, since it is larger than the sum of its proper divisors (102097).

425275 is a wasteful number, since it uses less digits than its factorization.

425275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021 (or 17016 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 425275 is about 652.1311217846. The cubic root of 425275 is about 75.2009426281.

Adding to 425275 its reverse (572524), we get a palindrome (997799).

The spelling of 425275 in words is "four hundred twenty-five thousand, two hundred seventy-five".