425315520 has 504 divisors, whose sum is σ = 1800356064. Its totient is φ = 90243072.

The previous prime is 425315461. The next prime is 425315533. The reversal of 425315520 is 25513524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (504).

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 71 ways as a sum of consecutive naturals, for example, 5826204 + ... + 5826276.

Almost surely, 2^425315520 is an apocalyptic number.

425315520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900178032).

425315520 is an abundant number, since it is smaller than the sum of its proper divisors (1375040544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425315520 is a wasteful number, since it uses less digits than its factorization.

425315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 425315520 is about 20623.1791923554. The cubic root of 425315520 is about 752.0333092232.

The spelling of 425315520 in words is "four hundred twenty-five million, three hundred fifteen thousand, five hundred twenty".