6229509 has 24 divisors (see below), whose sum is σ = 9820512. Its totient is φ = 3481920.

The previous prime is 6229507. The next prime is 6229513. The reversal of 6229509 is 9059226.

It is not a de Polignac number, because 6229509 - 2¹ = 6229507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 6229509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6229501) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5019 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (409188).

Almost surely, 2^6229509 is an apocalyptic number.

It is an amenable number.

6229509 is a deficient number, since it is larger than the sum of its proper divisors (3591003).

6229509 is a wasteful number, since it uses less digits than its factorization.

6229509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 6229509 is about 2495.8984354336. The cubic root of 6229509 is about 184.0000492281. Note that the first 4 decimals are identical.

The spelling of 6229509 in words is "six million, two hundred twenty-nine thousand, five hundred nine".