6503146 has 16 divisors (see below), whose sum is σ = 11123784. Its totient is φ = 2824704.

The previous prime is 6503143. The next prime is 6503173. The reversal of 6503146 is 6413056.

It can be written as a sum of positive squares in 4 ways, for example, as 5880625 + 622521 = 2425^2 + 789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6503146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6915 + ... + 7798.

Almost surely, 2^6503146 is an apocalyptic number.

6503146 is a deficient number, since it is larger than the sum of its proper divisors (4620638).

6503146 is a wasteful number, since it uses less digits than its factorization.

6503146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14745.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6503146 is about 2550.1266635209. The cubic root of 6503146 is about 186.6556619079.

It can be divided in two parts, 650 and 3146, that multiplied together give a square (2044900 = 1430²).

The spelling of 6503146 in words is "six million, five hundred three thousand, one hundred forty-six".