65213546 has 8 divisors (see below), whose sum is σ = 97892004. Its totient is φ = 32582880.

The previous prime is 65213539. The next prime is 65213563. The reversal of 65213546 is 64531256.

65213546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65205625 + 7921 = 8075^2 + 89^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8315 + ... + 14126.

Almost surely, 2^65213546 is an apocalyptic number.

65213546 is a deficient number, since it is larger than the sum of its proper divisors (32678458).

65213546 is a wasteful number, since it uses less digits than its factorization.

65213546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23896.

The product of its digits is 21600, while the sum is 32.

The square root of 65213546 is about 8075.4904495021. The cubic root of 65213546 is about 402.5124073179.

The spelling of 65213546 in words is "sixty-five million, two hundred thirteen thousand, five hundred forty-six".