425420512 has 144 divisors (see below), whose sum is σ = 1020763296. Its totient is φ = 173465600.

The previous prime is 425420509. The next prime is 425420519. The reversal of 425420512 is 215024524.

It is a super-2 number, since 2×425420512² = 361965224060684288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425420519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1513812 + ... + 1514092.

It is an arithmetic number, because the mean of its divisors is an integer number (7088634).

Almost surely, 2^425420512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425420512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510381648).

425420512 is an abundant number, since it is smaller than the sum of its proper divisors (595342784).

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

425420512 is a wasteful number, since it uses less digits than its factorization.

425420512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 425420512 is about 20625.7245206078. The cubic root of 425420512 is about 752.0951856274.

It can be divided in two parts, 4254205 and 12, that multiplied together give a triangular number (51050460 = T₁₀₁₀₄).

The spelling of 425420512 in words is "four hundred twenty-five million, four hundred twenty thousand, five hundred twelve".