425434 has 8 divisors (see below), whose sum is σ = 641268. Its totient is φ = 211680.

The previous prime is 425423. The next prime is 425441. The reversal of 425434 is 434524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 9409 = 645^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 184 + ... + 940.

2⁴²⁵⁴³⁴ is an apocalyptic number.

425434 is a deficient number, since it is larger than the sum of its proper divisors (215834).

425434 is a wasteful number, since it uses less digits than its factorization.

425434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its digits is 1920, while the sum is 22.

The square root of 425434 is about 652.2530183909. The cubic root of 425434 is about 75.2103133961.

Adding to 425434 its reverse (434524), we get a palindrome (859958).

It can be divided in two parts, 42 and 5434, that added together give a square (5476 = 74²).

The spelling of 425434 in words is "four hundred twenty-five thousand, four hundred thirty-four".