425321832 has 64 divisors (see below), whose sum is σ = 1149382080. Its totient is φ = 130378752.

The previous prime is 425321777. The next prime is 425321839. The reversal of 425321832 is 238123524.

It is a self number, because there is not a number n which added to its sum of digits gives 425321832.

It is not an unprimeable number, because it can be changed into a prime (425321839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85888 + ... + 90704.

It is an arithmetic number, because the mean of its divisors is an integer number (17959095).

Almost surely, 2^425321832 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 425321832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574691040).

425321832 is an abundant number, since it is smaller than the sum of its proper divisors (724060248).

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

425321832 is a wasteful number, since it uses less digits than its factorization.

425321832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5118 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 425321832 is about 20623.3322234793. The cubic root of 425321832 is about 752.0370294502.

The spelling of 425321832 in words is "four hundred twenty-five million, three hundred twenty-one thousand, eight hundred thirty-two".