6216045 has 32 divisors (see below), whose sum is σ = 10986624. Its totient is φ = 2976000.

The previous prime is 6216031. The next prime is 6216047. The reversal of 6216045 is 5406126.

It is not a de Polignac number, because 6216045 - 2⁴ = 6216029 is a prime.

6216045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16479 + ... + 16851.

It is an arithmetic number, because the mean of its divisors is an integer number (343332).

Almost surely, 2^6216045 is an apocalyptic number.

It is an amenable number.

6216045 is a deficient number, since it is larger than the sum of its proper divisors (4770579).

6216045 is a wasteful number, since it uses less digits than its factorization.

6216045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6216045 is about 2493.1997513236. The cubic root of 6216045 is about 183.8673922447.

It can be divided in two parts, 621 and 6045, that added together give a palindrome (6666).

The spelling of 6216045 in words is "six million, two hundred sixteen thousand, forty-five".