65340518 has 4 divisors (see below), whose sum is σ = 98010780. Its totient is φ = 32670258.

The previous prime is 65340491. The next prime is 65340551. The reversal of 65340518 is 81504356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16335128 + ... + 16335131.

It is an arithmetic number, because the mean of its divisors is an integer number (24502695).

Almost surely, 2^65340518 is an apocalyptic number.

65340518 is a deficient number, since it is larger than the sum of its proper divisors (32670262).

65340518 is a wasteful number, since it uses less digits than its factorization.

65340518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32670261.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 65340518 is about 8083.3481924262. The cubic root of 65340518 is about 402.7734710337.

The spelling of 65340518 in words is "sixty-five million, three hundred forty thousand, five hundred eighteen".