65612433 has 16 divisors (see below), whose sum is σ = 90660096. Its totient is φ = 42174720.

The previous prime is 65612419. The next prime is 65612447. The reversal of 65612433 is 33421656.

65612433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65612419) and next prime (65612447).

It is not a de Polignac number, because 65612433 - 2¹⁸ = 65350289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65612433.

It is not an unprimeable number, because it can be changed into a prime (65612233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9928 + ... + 15158.

It is an arithmetic number, because the mean of its divisors is an integer number (5666256).

Almost surely, 2^65612433 is an apocalyptic number.

It is an amenable number.

65612433 is a deficient number, since it is larger than the sum of its proper divisors (25047663).

65612433 is a wasteful number, since it uses less digits than its factorization.

65612433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384.

The product of its digits is 12960, while the sum is 30.

The square root of 65612433 is about 8100.1501837929. The cubic root of 65612433 is about 403.3314126145.

The spelling of 65612433 in words is "sixty-five million, six hundred twelve thousand, four hundred thirty-three".