65512284 has 12 divisors (see below), whose sum is σ = 152862024. Its totient is φ = 21837424.

The previous prime is 65512283. The next prime is 65512297. The reversal of 65512284 is 48221556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65512283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729667 + ... + 2729690.

It is an arithmetic number, because the mean of its divisors is an integer number (12738502).

Almost surely, 2^65512284 is an apocalyptic number.

It is an amenable number.

65512284 is an abundant number, since it is smaller than the sum of its proper divisors (87349740).

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

65512284 is a wasteful number, since it uses less digits than its factorization.

65512284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459364 (or 5459362 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 65512284 is about 8093.9659005953. The cubic root of 65512284 is about 403.1260968181.

The spelling of 65512284 in words is "sixty-five million, five hundred twelve thousand, two hundred eighty-four".