65134233 has 8 divisors (see below), whose sum is σ = 96495200. Its totient is φ = 43422804.

The previous prime is 65134231. The next prime is 65134243. The reversal of 65134233 is 33243156.

It is a happy number.

65134233 is a `hidden beast` number, since 651 + 3 + 4 + 2 + 3 + 3 = 666.

It is not a de Polignac number, because 65134233 - 2¹ = 65134231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2412379 = 65134233 / (6 + 5 + 1 + 3 + 4 + 2 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65134197 and 65134206.

It is not an unprimeable number, because it can be changed into a prime (65134231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206163 + ... + 1206216.

It is an arithmetic number, because the mean of its divisors is an integer number (12061900).

Almost surely, 2^65134233 is an apocalyptic number.

It is an amenable number.

65134233 is a deficient number, since it is larger than the sum of its proper divisors (31360967).

65134233 is a wasteful number, since it uses less digits than its factorization.

65134233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412388 (or 2412382 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 65134233 is about 8070.5782320723. The cubic root of 65134233 is about 402.3491620030.

Adding to 65134233 its reverse (33243156), we get a palindrome (98377389).

The spelling of 65134233 in words is "sixty-five million, one hundred thirty-four thousand, two hundred thirty-three".