425839425 has 24 divisors (see below), whose sum is σ = 768060960. Its totient is φ = 206467200.

The previous prime is 425839423. The next prime is 425839433. The reversal of 425839425 is 524938524.

It is not a de Polignac number, because 425839425 - 2¹ = 425839423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425839423) 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 23 ways as a sum of consecutive naturals, for example, 257260 + ... + 258909.

It is an arithmetic number, because the mean of its divisors is an integer number (32002540).

Almost surely, 2^425839425 is an apocalyptic number.

It is an amenable number.

425839425 is a deficient number, since it is larger than the sum of its proper divisors (342221535).

425839425 is a wasteful number, since it uses less digits than its factorization.

425839425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516193 (or 516188 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 425839425 is about 20635.8771318304. The cubic root of 425839425 is about 752.3419681902.

Subtracting 425839425 from its reverse (524938524), we obtain a palindrome (99099099).

The spelling of 425839425 in words is "four hundred twenty-five million, eight hundred thirty-nine thousand, four hundred twenty-five".