65525064 has 32 divisors (see below), whose sum is σ = 178705440. Its totient is φ = 19856000.

The previous prime is 65525027. The next prime is 65525081. The reversal of 65525064 is 46052556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 123837 + ... + 124364.

It is an arithmetic number, because the mean of its divisors is an integer number (5584545).

Almost surely, 2^65525064 is an apocalyptic number.

It is an amenable number.

65525064 is an abundant number, since it is smaller than the sum of its proper divisors (113180376).

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

65525064 is a wasteful number, since it uses less digits than its factorization.

65525064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248221 (or 248217 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 65525064 is about 8094.7553391069. The cubic root of 65525064 is about 403.1523087804.

The spelling of 65525064 in words is "sixty-five million, five hundred twenty-five thousand, sixty-four".