65948833 has 4 divisors (see below), whose sum is σ = 66080448. Its totient is φ = 65817220.

The previous prime is 65948803. The next prime is 65948851. The reversal of 65948833 is 33884956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65948833 - 2²¹ = 63851681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65948803) 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, 65053 + ... + 66058.

It is an arithmetic number, because the mean of its divisors is an integer number (16520112).

Almost surely, 2^65948833 is an apocalyptic number.

It is an amenable number.

65948833 is a deficient number, since it is larger than the sum of its proper divisors (131615).

65948833 is a wasteful number, since it uses less digits than its factorization.

65948833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131614.

The product of its digits is 622080, while the sum is 46.

The square root of 65948833 is about 8120.8886828967. Note that the first 3 decimals coincide. The cubic root of 65948833 is about 404.0195416649.

The spelling of 65948833 in words is "sixty-five million, nine hundred forty-eight thousand, eight hundred thirty-three".