6425320 has 64 divisors (see below), whose sum is σ = 16718400. Its totient is φ = 2196480.

The previous prime is 6425267. The next prime is 6425329. The reversal of 6425320 is 235246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 6425291 and 6425300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425329) 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, 7051 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (261225).

Almost surely, 2^6425320 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 6425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8359200).

6425320 is an abundant number, since it is smaller than the sum of its proper divisors (10293080).

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

6425320 is a wasteful number, since it uses less digits than its factorization.

6425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6425320 is about 2534.8214927288. The cubic root of 6425320 is about 185.9080749755.

The spelling of 6425320 in words is "six million, four hundred twenty-five thousand, three hundred twenty".