6245000 has 40 divisors (see below), whose sum is σ = 14643750. Its totient is φ = 2496000.

The previous prime is 6244969. The next prime is 6245011. The reversal of 6245000 is 5426.

It is a Cunningham number, because it is equal to 2499²-1.

It can be written as a sum of positive squares in 5 ways, for example, as 24964 + 6220036 = 158^2 + 2494^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 6245000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4376 + ... + 5624.

Almost surely, 2^6245000 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 6245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7321875).

6245000 is an abundant number, since it is smaller than the sum of its proper divisors (8398750).

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

6245000 is a wasteful number, since it uses less digits than its factorization.

6245000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 6245000 is about 2498.9997999200. Note that the first 3 decimals coincide. The cubic root of 6245000 is about 184.1524414074.

The spelling of 6245000 in words is "six million, two hundred forty-five thousand".