65525066 has 8 divisors (see below), whose sum is σ = 100142244. Its totient is φ = 32144320.

The previous prime is 65525027. The next prime is 65525081. The reversal of 65525066 is 66052556.

It can be written as a sum of positive squares in 2 ways, for example, as 53071225 + 12453841 = 7285^2 + 3529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308975 + ... + 309186.

Almost surely, 2^65525066 is an apocalyptic number.

65525066 is a deficient number, since it is larger than the sum of its proper divisors (34617178).

65525066 is a wasteful number, since it uses less digits than its factorization.

65525066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618216.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 65525066 is about 8094.7554626437. The cubic root of 65525066 is about 403.1523128821.

The spelling of 65525066 in words is "sixty-five million, five hundred twenty-five thousand, sixty-six".