6505272 has 40 divisors (see below), whose sum is σ = 18222600. Its totient is φ = 2168208.

The previous prime is 6505267. The next prime is 6505283. The reversal of 6505272 is 2725056.

6505272 is a `hidden beast` number, since 650 + 5 + 2 + 7 + 2 = 666.

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

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4372 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (455565).

Almost surely, 2^6505272 is an apocalyptic number.

It is an amenable number.

6505272 is an abundant number, since it is smaller than the sum of its proper divisors (11717328).

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

6505272 is a wasteful number, since it uses less digits than its factorization.

6505272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057 (or 10044 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 6505272 is about 2550.5434714978. The cubic root of 6505272 is about 186.6760001002.

The spelling of 6505272 in words is "six million, five hundred five thousand, two hundred seventy-two".