6509450 has 24 divisors (see below), whose sum is σ = 12236940. Its totient is φ = 2576000.

The previous prime is 6509449. The next prime is 6509491. The reversal of 6509450 is 549056.

It can be written as a sum of positive squares in 6 ways, for example, as 5193841 + 1315609 = 2279^2 + 1147^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 4406 + ... + 5694.

Almost surely, 2^6509450 is an apocalyptic number.

6509450 is a deficient number, since it is larger than the sum of its proper divisors (5727490).

6509450 is a wasteful number, since it uses less digits than its factorization.

6509450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6509450 is about 2551.3623811603. The cubic root of 6509450 is about 186.7159556633.

The spelling of 6509450 in words is "six million, five hundred nine thousand, four hundred fifty".