6425280 has 168 divisors, whose sum is σ = 23298912. Its totient is φ = 1622016.

The previous prime is 6425267. The next prime is 6425329. The reversal of 6425280 is 825246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66192 + ... + 66288.

It is an arithmetic number, because the mean of its divisors is an integer number (138684).

Almost surely, 2^6425280 is an apocalyptic number.

6425280 is a gapful number since it is divisible by the number (60) 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 6425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11649456).

6425280 is an abundant number, since it is smaller than the sum of its proper divisors (16873632).

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

6425280 is a wasteful number, since it uses less digits than its factorization.

6425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6425280 is about 2534.8136026146. The cubic root of 6425280 is about 185.9076891925.

The spelling of 6425280 in words is "six million, four hundred twenty-five thousand, two hundred eighty".