65525065 has 8 divisors (see below), whose sum is σ = 81341640. Its totient is φ = 50612352.

The previous prime is 65525027. The next prime is 65525081. The reversal of 65525065 is 56052556.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3225616 + 62299449 = 1796^2 + 7893^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65525065 - 2⁷ = 65524937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65525065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225804 + ... + 226093.

It is an arithmetic number, because the mean of its divisors is an integer number (10167705).

Almost surely, 2^65525065 is an apocalyptic number.

It is an amenable number.

65525065 is a deficient number, since it is larger than the sum of its proper divisors (15816575).

65525065 is a wasteful number, since it uses less digits than its factorization.

65525065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451931.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 65525065 is about 8094.7554008753. The cubic root of 65525065 is about 403.1523108312.

The spelling of 65525065 in words is "sixty-five million, five hundred twenty-five thousand, sixty-five".