6215265 has 32 divisors (see below), whose sum is σ = 12629760. Its totient is φ = 2840832.

The previous prime is 6215249. The next prime is 6215273. The reversal of 6215265 is 5625126.

It is not a de Polignac number, because 6215265 - 2⁴ = 6215249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

6215265 is a lucky 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 in 31 ways as a sum of consecutive naturals, for example, 2344 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (394680).

Almost surely, 2^6215265 is an apocalyptic number.

It is an amenable number.

6215265 is an abundant number, since it is smaller than the sum of its proper divisors (6414495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6215265 is a wasteful number, since it uses less digits than its factorization.

6215265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598 (or 6592 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 6215265 is about 2493.0433209232. The cubic root of 6215265 is about 183.8597012577.

It can be divided in two parts, 621 and 5265, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 6215265 in words is "six million, two hundred fifteen thousand, two hundred sixty-five".