6215484285 has 24 divisors (see below), whose sum is σ = 10950125784. Its totient is φ = 3260580480.

The previous prime is 6215484271. The next prime is 6215484287. The reversal of 6215484285 is 5824845126.

6215484285 is a `hidden beast` number, since 6 + 21 + 548 + 4 + 2 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 162333081 + 6053151204 = 12741^2 + 77802^2 .

It is not a de Polignac number, because 6215484285 - 2⁸ = 6215484029 is a prime.

It is a super-3 number, since 3×6215484285³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6215484285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6215484287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1129402 + ... + 1134891.

It is an arithmetic number, because the mean of its divisors is an integer number (456255241).

Almost surely, 2^6215484285 is an apocalyptic number.

It is an amenable number.

6215484285 is a deficient number, since it is larger than the sum of its proper divisors (4734641499).

6215484285 is a wasteful number, since it uses less digits than its factorization.

6215484285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264365 (or 2264362 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 6215484285 is about 78838.3427337232. The cubic root of 6215484285 is about 1838.6186352538.

The spelling of 6215484285 in words is "six billion, two hundred fifteen million, four hundred eighty-four thousand, two hundred eighty-five".