65275188 has 48 divisors (see below), whose sum is σ = 166656000. Its totient is φ = 19720800.

The previous prime is 65275187. The next prime is 65275193. The reversal of 65275188 is 88157256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65275187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65373 + ... + 66363.

It is an arithmetic number, because the mean of its divisors is an integer number (3472000).

Almost surely, 2^65275188 is an apocalyptic number.

It is an amenable number.

65275188 is an abundant number, since it is smaller than the sum of its proper divisors (101380812).

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

65275188 is a wasteful number, since it uses less digits than its factorization.

65275188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1506 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 65275188 is about 8079.3061583282. The cubic root of 65275188 is about 402.6391900587.

The spelling of 65275188 in words is "sixty-five million, two hundred seventy-five thousand, one hundred eighty-eight".