65506230 has 24 divisors (see below), whose sum is σ = 170316432. Its totient is φ = 17468304.

The previous prime is 65506229. The next prime is 65506237. The reversal of 65506230 is 3260556.

65506230 is a `hidden beast` number, since 655 + 0 + 6 + 2 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 65506194 and 65506203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65506237) 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 11 ways as a sum of consecutive naturals, for example, 363834 + ... + 364013.

It is an arithmetic number, because the mean of its divisors is an integer number (7096518).

Almost surely, 2^65506230 is an apocalyptic number.

65506230 is an abundant number, since it is smaller than the sum of its proper divisors (104810202).

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

65506230 is a wasteful number, since it uses less digits than its factorization.

65506230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727860 (or 727857 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 65506230 is about 8093.5919096530. The cubic root of 65506230 is about 403.1136787879.

Adding to 65506230 its reverse (3260556), we get a palindrome (68766786).

The spelling of 65506230 in words is "sixty-five million, five hundred six thousand, two hundred thirty".