65525364 has 36 divisors (see below), whose sum is σ = 165880260. Its totient is φ = 21809280.

The previous prime is 65525353. The next prime is 65525371. The reversal of 65525364 is 46352556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51236964 + 14288400 = 7158^2 + 3780^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 43504 + ... + 44984.

It is an arithmetic number, because the mean of its divisors is an integer number (4607785).

Almost surely, 2^65525364 is an apocalyptic number.

It is an amenable number.

65525364 is an abundant number, since it is smaller than the sum of its proper divisors (100354896).

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

65525364 is a wasteful number, since it uses less digits than its factorization.

65525364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2715 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 65525364 is about 8094.7738696025. The cubic root of 65525364 is about 403.1529240437.

The spelling of 65525364 in words is "sixty-five million, five hundred twenty-five thousand, three hundred sixty-four".