425951232 has 128 divisors (see below), whose sum is σ = 1300214400. Its totient is φ = 121503744.

The previous prime is 425951231. The next prime is 425951243. The reversal of 425951232 is 232159524.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 425951193 and 425951202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425951231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687819 + ... + 688437.

It is an arithmetic number, because the mean of its divisors is an integer number (10157925).

Almost surely, 2^425951232 is an apocalyptic number.

425951232 is a gapful number since it is divisible by the number (42) 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 425951232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650107200).

425951232 is an abundant number, since it is smaller than the sum of its proper divisors (874263168).

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

425951232 is an frugal number, since it uses more digits than its factorization.

425951232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 631 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 425951232 is about 20638.5859980765. The cubic root of 425951232 is about 752.4078065734.

The spelling of 425951232 in words is "four hundred twenty-five million, nine hundred fifty-one thousand, two hundred thirty-two".