6540275 has 36 divisors (see below), whose sum is σ = 9965880. Its totient is φ = 4233600.

The previous prime is 6540269. The next prime is 6540277. The reversal of 6540275 is 5720456.

6540275 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6540275 - 2²² = 2345971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6540277) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23135 + ... + 23415.

It is an arithmetic number, because the mean of its divisors is an integer number (276830).

Almost surely, 2^6540275 is an apocalyptic number.

6540275 is a deficient number, since it is larger than the sum of its proper divisors (3425605).

6540275 is a wasteful number, since it uses less digits than its factorization.

6540275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 6540275 is about 2557.3961366984. The cubic root of 6540275 is about 187.0102180162.

The spelling of 6540275 in words is "six million, five hundred forty thousand, two hundred seventy-five".