65218084 has 6 divisors (see below), whose sum is σ = 114131654. Its totient is φ = 32609040.

The previous prime is 65218073. The next prime is 65218099. The reversal of 65218084 is 48081256.

It can be written as a sum of positive squares in only one way, i.e., 44515584 + 20702500 = 6672^2 + 4550^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8152257 + ... + 8152264.

Almost surely, 2^65218084 is an apocalyptic number.

It is an amenable number.

65218084 is a deficient number, since it is larger than the sum of its proper divisors (48913570).

65218084 is a wasteful number, since it uses less digits than its factorization.

65218084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304525 (or 16304523 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 65218084 is about 8075.7714182609. The cubic root of 65218084 is about 402.5217436140.

The spelling of 65218084 in words is "sixty-five million, two hundred eighteen thousand, eighty-four".