425520104 has 16 divisors (see below), whose sum is σ = 804134400. Its totient is φ = 211084272.

The previous prime is 425520097. The next prime is 425520157. The reversal of 425520104 is 401025524.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 425520104.

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, 208394 + ... + 210425.

It is an arithmetic number, because the mean of its divisors is an integer number (50258400).

Almost surely, 2^425520104 is an apocalyptic number.

It is an amenable number.

425520104 is a deficient number, since it is larger than the sum of its proper divisors (378614296).

425520104 is a wasteful number, since it uses less digits than its factorization.

425520104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418952 (or 418948 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 425520104 is about 20628.1386460340. The cubic root of 425520104 is about 752.1538701661.

Adding to 425520104 its reverse (401025524), we get a palindrome (826545628).

The spelling of 425520104 in words is "four hundred twenty-five million, five hundred twenty thousand, one hundred four".