65506275 has 36 divisors (see below), whose sum is σ = 118449760. Its totient is φ = 34603200.

The previous prime is 65506271. The next prime is 65506279. The reversal of 65506275 is 57260556.

It is an interprime number because it is at equal distance from previous prime (65506271) and next prime (65506279).

It is not a de Polignac number, because 65506275 - 2² = 65506271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65506271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23190 + ... + 25860.

Almost surely, 2^65506275 is an apocalyptic number.

65506275 is a deficient number, since it is larger than the sum of its proper divisors (52943485).

65506275 is a wasteful number, since it uses less digits than its factorization.

65506275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 65506275 is about 8093.5946896296. The cubic root of 65506275 is about 403.1137710952.

The spelling of 65506275 in words is "sixty-five million, five hundred six thousand, two hundred seventy-five".