6156225 has 18 divisors (see below), whose sum is σ = 11026886. Its totient is φ = 3283200.

The previous prime is 6156221. The next prime is 6156229. The reversal of 6156225 is 5226516.

It is an interprime number because it is at equal distance from previous prime (6156221) and next prime (6156229).

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 5602689 = 744^2 + 2367^2 .

It is not a de Polignac number, because 6156225 - 2² = 6156221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6156221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13456 + ... + 13905.

Almost surely, 2^6156225 is an apocalyptic number.

It is an amenable number.

6156225 is a deficient number, since it is larger than the sum of its proper divisors (4870661).

6156225 is a wasteful number, since it uses less digits than its factorization.

6156225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27377 (or 27369 counting only the distinct ones).

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

The square root of 6156225 is about 2481.1741172276. The cubic root of 6156225 is about 183.2756751651.

The spelling of 6156225 in words is "six million, one hundred fifty-six thousand, two hundred twenty-five".