6249725 has 6 divisors (see below), whose sum is σ = 7749690. Its totient is φ = 4999760.

The previous prime is 6249713. The next prime is 6249743. The reversal of 6249725 is 5279426.

It can be written as a sum of positive squares in 3 ways, for example, as 89401 + 6160324 = 299^2 + 2482^2 .

It is not a de Polignac number, because 6249725 - 2¹⁴ = 6233341 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 2¹⁵ + 4⁴ + 9⁷ + 7⁷ + 2¹⁹ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124970 + ... + 125019.

It is an arithmetic number, because the mean of its divisors is an integer number (1291615).

Almost surely, 2^6249725 is an apocalyptic number.

It is an amenable number.

6249725 is a deficient number, since it is larger than the sum of its proper divisors (1499965).

6249725 is a wasteful number, since it uses less digits than its factorization.

6249725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249999 (or 249994 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 6249725 is about 2499.9449993950. The cubic root of 6249725 is about 184.1988732693.

Subtracting from 6249725 its reverse (5279426), we obtain a cube (970299 = 99³).

The spelling of 6249725 in words is "six million, two hundred forty-nine thousand, seven hundred twenty-five".