425520430 has 8 divisors (see below), whose sum is σ = 765936792. Its totient is φ = 170208168.

The previous prime is 425520379. The next prime is 425520457. The reversal of 425520430 is 34025524.

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

It is a junction number, because it is equal to n+sod(n) for n = 425520395 and 425520404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21276012 + ... + 21276031.

It is an arithmetic number, because the mean of its divisors is an integer number (95742099).

Almost surely, 2^425520430 is an apocalyptic number.

425520430 is a deficient number, since it is larger than the sum of its proper divisors (340416362).

425520430 is a wasteful number, since it uses less digits than its factorization.

425520430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42552050.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 425520430 is about 20628.1465478603. The cubic root of 425520430 is about 752.1540622464.

Adding to 425520430 its reverse (34025524), we get a palindrome (459545954).

The spelling of 425520430 in words is "four hundred twenty-five million, five hundred twenty thousand, four hundred thirty".