425005430 has 32 divisors (see below), whose sum is σ = 774408384. Its totient is φ = 167924736.

The previous prime is 425005429. The next prime is 425005439. The reversal of 425005430 is 34500524.

It is a junction number, because it is equal to n+sod(n) for n = 425005396 and 425005405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425005439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515999 + ... + 516821.

It is an arithmetic number, because the mean of its divisors is an integer number (24200262).

Almost surely, 2^425005430 is an apocalyptic number.

425005430 is a deficient number, since it is larger than the sum of its proper divisors (349402954).

425005430 is a wasteful number, since it uses less digits than its factorization.

425005430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 425005430 is about 20615.6598245120. The cubic root of 425005430 is about 751.8505000738.

Adding to 425005430 its reverse (34500524), we get a palindrome (459505954).

The spelling of 425005430 in words is "four hundred twenty-five million, five thousand, four hundred thirty".