6495025 has 6 divisors (see below), whose sum is σ = 8053862. Its totient is φ = 5196000.

The previous prime is 6495011. The next prime is 6495031. The reversal of 6495025 is 5205946.

It can be written as a sum of positive squares in 3 ways, for example, as 1218816 + 5276209 = 1104^2 + 2297^2 .

It is not a de Polignac number, because 6495025 - 2⁹ = 6494513 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 129876 + ... + 129925.

Almost surely, 2^6495025 is an apocalyptic number.

It is an amenable number.

6495025 is a deficient number, since it is larger than the sum of its proper divisors (1558837).

6495025 is a wasteful number, since it uses less digits than its factorization.

6495025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259811 (or 259806 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6495025 is about 2548.5338922604. The cubic root of 6495025 is about 186.5779322446.

The spelling of 6495025 in words is "six million, four hundred ninety-five thousand, twenty-five".