6503228 has 6 divisors (see below), whose sum is σ = 11380656. Its totient is φ = 3251612.

The previous prime is 6503209. The next prime is 6503239. The reversal of 6503228 is 8223056.

It is a super-4 number, since 4×6503228⁴ (a number of 28 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6503197 and 6503206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 812900 + ... + 812907.

It is an arithmetic number, because the mean of its divisors is an integer number (1896776).

Almost surely, 2^6503228 is an apocalyptic number.

It is an amenable number.

6503228 is a deficient number, since it is larger than the sum of its proper divisors (4877428).

6503228 is a wasteful number, since it uses less digits than its factorization.

6503228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625811 (or 1625809 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6503228 is about 2550.1427411029. The cubic root of 6503228 is about 186.6564464359.

The spelling of 6503228 in words is "six million, five hundred three thousand, two hundred twenty-eight".