425200520 has 16 divisors (see below), whose sum is σ = 956701260. Its totient is φ = 170080192.

The previous prime is 425200519. The next prime is 425200543. The reversal of 425200520 is 25002524.

It can be written as a sum of positive squares in 2 ways, for example, as 425101924 + 98596 = 20618^2 + 314^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 425200492 and 425200501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5314967 + ... + 5315046.

Almost surely, 2^425200520 is an apocalyptic number.

425200520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425200520 is an abundant number, since it is smaller than the sum of its proper divisors (531500740).

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

425200520 is a wasteful number, since it uses less digits than its factorization.

425200520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630024 (or 10630020 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 425200520 is about 20620.3908789334. The cubic root of 425200520 is about 751.9655229780.

The spelling of 425200520 in words is "four hundred twenty-five million, two hundred thousand, five hundred twenty".